/* ==========================================================================
   Components — reusable UI built from the brand system
   ========================================================================== */

/* Wordmark ----------------------------------------------------------------- */

.wordmark {
    display: inline-flex;
    align-items: center;
    position: relative;
    font-weight: var(--weight-bold);
    font-size: 1.375rem;
    letter-spacing: -0.03em;
    line-height: 1;
}

/* The Signal Orange square that sits above the lowercase "i". */
.wordmark__mark {
    position: absolute;
    top: -0.38em;
    left: 0;
    width: 0.3em;
    height: 0.3em;
    background: var(--color-orange);
}

.wordmark__tagline {
    font-size: 0.6875rem;
    font-weight: var(--weight-medium);
    letter-spacing: 0.02em;
    color: var(--color-muted-light);
    line-height: 1;
}

.site-header__brand:hover .wordmark__tagline {
    color: var(--color-white);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    min-height: 48px;
    padding: var(--space-md) var(--space-lg);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-base),
                border-color var(--transition-base),
                color var(--transition-base),
                transform var(--transition-fast);
}

.btn:active {
    transform: translateY(1px);
}

/* White on Signal Orange, per the approved brand kit. Measures 3.10:1, which
   sits below the WCAG AA 4.5:1 threshold for text at this size — a deliberate
   brand decision, not an oversight. Switch `color` to var(--color-black) here
   and on :hover to reach 6.77:1 if that trade is ever revisited. */
.btn--primary {
    background: var(--color-orange);
    border-color: var(--color-orange);
    color: var(--color-white);
}

.btn--primary:hover {
    background: var(--color-orange-hover);
    border-color: var(--color-orange-hover);
    color: var(--color-white);
}

.btn--secondary {
    background: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

.btn--secondary:hover {
    background: var(--color-orange);
    border-color: var(--color-orange);
    color: var(--color-white);
}

.btn--ghost {
    background: transparent;
    border-color: var(--color-black);
    color: var(--color-black);
}

.btn--ghost:hover {
    background: var(--color-black);
    color: var(--color-white);
}

/* Ghost buttons sitting on black need the inverted border. */
.hero--dark .btn--ghost,
.section--dark .btn--ghost,
.cta-band .btn--ghost {
    border-color: var(--color-white);
    color: var(--color-white);
}

.hero--dark .btn--ghost:hover,
.section--dark .btn--ghost:hover,
.cta-band .btn--ghost:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.btn--sm {
    min-height: 40px;
    padding: var(--space-sm) var(--space-md);
}

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-lg);
}

/* Arrow link --------------------------------------------------------------- */

.link-arrow {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    color: var(--color-black);
    text-decoration: none;
    border-bottom: 2px solid var(--color-orange);
    padding-bottom: 2px;
}

.link-arrow:hover {
    color: var(--color-orange-text);
}

.link-arrow__glyph {
    transition: transform var(--transition-base);
}

.link-arrow:hover .link-arrow__glyph {
    transform: translateX(4px);
}

.section--dark .link-arrow {
    color: var(--color-white);
}

.section--dark .link-arrow:hover {
    color: var(--color-orange);
}

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

.hero {
    padding-block: calc(var(--space-2xl) + var(--space-xl)) var(--space-2xl);
}

.hero--dark {
    background: var(--color-black);
    color: var(--color-white);
}

.hero--light {
    background: var(--color-white);
    border-bottom: var(--border-thin);
}

.hero--compact {
    padding-block: var(--space-2xl) var(--space-xl);
}

.hero__content {
    max-width: 780px;
}

.hero__headline {
    font-size: var(--text-h1);
}

.page-home .hero__headline {
    font-size: var(--text-display);
}

.hero__body {
    font-size: var(--text-body-lg);
    max-width: 62ch;
    color: #c8c8c8;
}

.hero--light .hero__body {
    color: var(--color-muted);
}

.hero__descriptor {
    margin-top: var(--space-xl);
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    color: var(--color-muted-light);
}

/* Section heading ----------------------------------------------------------- */

.section-heading {
    max-width: 720px;
    margin-bottom: var(--space-xl);
}

.section-heading__title {
    font-size: var(--text-h2);
}

.section-heading__body {
    margin-top: var(--space-md);
}

/* Service card -------------------------------------------------------------- */

.service-card {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-lg);
    background: var(--color-white);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-base), transform var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-black);
    transform: translateY(-2px);
}

.service-card__icon {
    display: inline-flex;
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

.service-card__icon .icon {
    width: 32px;
    height: 32px;
}

.service-card__label {
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
}

.service-card__case {
    font-size: 1.125rem;
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
}

.service-card__body {
    font-size: var(--text-sm);
    color: var(--color-muted);
    flex-grow: 1;
}

.service-card .link-arrow {
    margin-top: var(--space-md);
}

.section--dark .service-card {
    background: var(--color-surface-dark);
    border-color: var(--color-border-dark);
}

.section--dark .service-card:hover {
    border-color: var(--color-orange);
}

.section--dark .service-card__icon {
    color: var(--color-white);
}

.section--dark .service-card__body {
    color: #b4b4b4;
}

/* Icons ---------------------------------------------------------------------- */

.icon {
    width: 24px;
    height: 24px;
}

.icon--accent {
    color: var(--color-orange);
}

/* Value / stat blocks --------------------------------------------------------- */

.value-block {
    padding-top: var(--space-md);
    border-top: 2px solid var(--color-black);
}

.value-block__title {
    font-size: 1.125rem;
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-xs);
}

.value-block__body {
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.section--dark .value-block {
    border-top-color: var(--color-orange);
}

.section--dark .value-block__body {
    color: #b4b4b4;
}

/* Process steps ---------------------------------------------------------------- */

.process {
    display: grid;
    gap: 0;
    counter-reset: step;
}

.process__step {
    display: grid;
    grid-template-columns: 96px minmax(0, 1fr);
    gap: var(--space-lg);
    padding-block: var(--space-lg);
    border-top: var(--border-thin);
    align-items: start;
}

.process__step:last-child {
    border-bottom: var(--border-thin);
}

.process__number {
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    color: var(--color-orange-text);
    padding-top: var(--space-xs);
}

.section--dark .process__number {
    color: var(--color-orange);
}

.process__title {
    font-size: var(--text-h3);
    margin-bottom: var(--space-xs);
}

.process__body {
    color: var(--color-muted);
    font-size: var(--text-body);
}

.section--dark .process__body {
    color: var(--color-muted-on-dark);
}

/* Capability list ---------------------------------------------------------------- */

.capability {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-2xl);
    padding-block: var(--space-xl);
    border-top: var(--border-thin);
    align-items: start;
}

.capability__label {
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
}

.capability__case {
    font-size: var(--text-h2);
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
    line-height: var(--leading-snug);
    margin-top: var(--space-sm);
}

.capability__intro {
    color: var(--color-muted);
    font-size: var(--text-sm);
}

.capability__list {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-sm) var(--space-lg);
    list-style: none;
    margin: 0;
    padding: 0;
}

.capability__list li {
    position: relative;
    padding-left: var(--space-lg);
    font-size: var(--text-sm);
    line-height: 1.5;
}

.capability__list li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 8px;
    height: 8px;
    background: var(--color-orange);
}

/* Tags -------------------------------------------------------------------------- */

.tag {
    display: inline-block;
    padding: 6px var(--space-md);
    border: 1px solid var(--color-border);
    border-radius: 999px;
    font-size: var(--text-caption);
    font-weight: var(--weight-medium);
    background: var(--color-white);
}

.tag--solid {
    background: var(--color-black);
    border-color: var(--color-black);
    color: var(--color-white);
}

.tag--accent {
    background: var(--color-orange);
    border-color: var(--color-orange);
    color: var(--color-black);
}

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
}

/* Pricing table ------------------------------------------------------------------ */

.pricing {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--grid-gutter);
}

.pricing__tier {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-lg);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    background: var(--color-white);
}

.pricing__tier--featured {
    border-color: var(--color-black);
    border-width: 2px;
}

.pricing__size {
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    color: var(--color-muted);
}

.pricing__amount {
    font-size: 2rem;
    font-weight: var(--weight-bold);
    letter-spacing: var(--tracking-tight);
}

.pricing__note {
    font-size: var(--text-caption);
    color: var(--color-muted);
}

.pricing__flag {
    display: inline-block;
    margin-top: var(--space-sm);
    font-size: var(--text-caption);
    font-weight: var(--weight-medium);
    color: var(--color-orange-text);
}

/* Deliverables ---------------------------------------------------------------------- */

.deliverable {
    padding: var(--space-lg);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    background: var(--color-white);
}

.deliverable__number {
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    color: var(--color-orange-text);
    margin-bottom: var(--space-sm);
}

.deliverable__title {
    font-size: var(--text-h3);
    margin-bottom: var(--space-sm);
}

.deliverable__body {
    font-size: var(--text-sm);
    color: var(--color-muted);
}

/* CTA band ------------------------------------------------------------------------- */

.cta-band {
    background: var(--color-black);
    color: var(--color-white);
    padding-block: var(--space-2xl);
}

.cta-band__content {
    max-width: 780px;
}

.cta-band__headline {
    font-size: var(--text-h2);
}

.cta-band__body {
    font-size: var(--text-body-lg);
    color: #c8c8c8;
    max-width: 62ch;
}

/* FAQ -------------------------------------------------------------------------------- */

.faq {
    border-top: var(--border-thin);
}

.faq__item {
    border-bottom: var(--border-thin);
}

.faq__question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-md);
    padding-block: var(--space-lg);
    font-size: 1.125rem;
    font-weight: var(--weight-medium);
    list-style: none;
}

.faq__question:hover {
    color: var(--color-orange-text);
}

.faq__marker {
    position: relative;
    flex-shrink: 0;
    width: 16px;
    height: 16px;
}

.faq__marker::before,
.faq__marker::after {
    content: "";
    position: absolute;
    background: var(--color-orange);
    transition: transform var(--transition-base);
}

.faq__marker::before {
    top: 7px;
    left: 0;
    width: 16px;
    height: 2px;
}

.faq__marker::after {
    top: 0;
    left: 7px;
    width: 2px;
    height: 16px;
}

.faq__item[open] .faq__marker::after {
    transform: scaleY(0);
}

.faq__answer {
    padding-bottom: var(--space-lg);
    max-width: 68ch;
}

/* Forms ------------------------------------------------------------------------------- */

.form {
    display: grid;
    gap: var(--space-lg);
}

.form__row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-lg);
}

.field {
    display: grid;
    gap: var(--space-sm);
}

.field__label {
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
}

.field__optional {
    font-weight: var(--weight-body);
    color: var(--color-muted);
}

.field__hint {
    font-size: var(--text-caption);
    color: var(--color-muted);
}

.field__control {
    width: 100%;
    min-height: 48px;
    padding: var(--space-md);
    background: var(--color-white);
    border: 1px solid var(--color-field-border);
    border-radius: var(--radius-md);
    font-size: var(--text-body);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.field__control:hover {
    border-color: var(--color-muted);
}

.field__control:focus {
    outline: none;
    border-color: var(--color-orange);
    box-shadow: 0 0 0 3px rgba(255, 90, 54, 0.25);
}

.field__control:focus-visible {
    outline: 3px solid var(--color-orange);
    outline-offset: 2px;
}

textarea.field__control {
    min-height: 160px;
    resize: vertical;
}

select.field__control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-md) center;
    background-size: 20px;
    padding-right: calc(var(--space-xl) + var(--space-sm));
}

.field--error .field__control {
    border-color: #c0261a;
    border-width: 2px;
}

.field__error {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: var(--text-caption);
    font-weight: var(--weight-medium);
    color: #c0261a;
}

/* The honeypot must be reachable by bots but hidden from people and AT. */
.form__honeypot {
    position: absolute;
    left: -9999px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

/* Alerts ---------------------------------------------------------------------------------- */

.alert {
    padding: var(--space-lg);
    border: 1px solid var(--color-border);
    border-left: 4px solid var(--color-black);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    font-size: var(--text-sm);
}

.alert--error {
    border-left-color: #c0261a;
    background: #fdf3f2;
}

.alert--success {
    border-left-color: var(--color-orange);
}

.alert__title {
    font-weight: var(--weight-bold);
    margin-bottom: var(--space-xs);
}

.alert ul {
    margin: var(--space-sm) 0 0;
    padding-left: var(--space-lg);
}

/* Note / callout ---------------------------------------------------------------------------- */

.note {
    padding: var(--space-lg);
    background: var(--color-surface);
    border-left: 4px solid var(--color-orange);
    font-size: var(--text-sm);
    color: var(--color-muted);
}

.section--dark .note {
    background: var(--color-surface-dark);
    color: #b4b4b4;
}

/* Divider ------------------------------------------------------------------------------------- */

.divider {
    height: 1px;
    background: var(--color-border);
    border: 0;
    margin-block: var(--space-2xl);
}

.section--dark .divider {
    background: var(--color-border-dark);
}

/* Insight cards --------------------------------------------------------------------------------- */

.insight-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg);
    border: var(--border-thin);
    border-radius: var(--radius-md);
    background: var(--color-white);
}

.insight-card__meta {
    font-size: var(--text-eyebrow);
    font-weight: var(--weight-medium);
    letter-spacing: var(--tracking-eyebrow);
    text-transform: uppercase;
    color: var(--color-muted);
}

.insight-card__title {
    font-size: var(--text-h3);
}

.insight-card__body {
    font-size: var(--text-sm);
    color: var(--color-muted);
    flex-grow: 1;
}