/* ==========================================================================
   DELTATEC — Reusable Components
   ========================================================================== */

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8125rem 1.5rem;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    line-height: 1;
    text-decoration: none;
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        transform var(--transition-fast),
        box-shadow var(--transition-fast);
    white-space: nowrap;
    min-height: 2.75rem;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn--primary {
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.btn--primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-text-inverse);
}

.btn--accent {
    background-color: var(--color-accent);
    color: var(--color-text-inverse);
    border-color: var(--color-accent);
}

.btn--accent:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-text-inverse);
}

.btn--outline {
    background-color: transparent;
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn--outline:hover {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary-dark);
}

/* For calls to action placed on the brand-blue CTA panels. */
.btn--inverse-outline {
    background-color: transparent;
    color: var(--color-text-inverse);
    border-color: rgba(255, 255, 255, 0.75);
}

.btn--inverse-outline:hover {
    background-color: var(--color-text-inverse);
    color: var(--color-primary-dark);
    border-color: var(--color-text-inverse);
    box-shadow: 0 4px 12px rgba(20, 41, 88, 0.2);
}

.btn--inverse-outline:focus-visible {
    outline-color: var(--color-text-inverse);
    outline-offset: 3px;
}

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

.btn--ghost:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}


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

.btn--ghost:hover {
    background-color: var(--color-surface);
    color: var(--color-primary);
}

.btn--sm {
    padding: 0.5625rem 1rem;
    font-size: var(--font-size-caption);
}

.btn--lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-body);
}

.btn--block {
    width: 100%;
}

.btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

@media (prefers-reduced-motion: no-preference) {
    .btn:active {
        transform: scale(0.98);
    }
}

/* --------------------------------------------------------------------------
   Header & Navigation
   -------------------------------------------------------------------------- */

.site-header {
    position: relative;
    top: 0;
    z-index: var(--z-header);
    height: var(--header-height);
    background-color: var(--color-background);
    border-bottom: 1px solid transparent;
    transition:
        height var(--transition-normal),
        box-shadow var(--transition-normal),
        border-color var(--transition-normal),
        background-color var(--transition-normal),
        backdrop-filter var(--transition-normal);
}

.site-header--transparent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
}

.site-header--transparent {
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.site-header--transparent .site-nav__link {
    color: rgba(255, 255, 255, 0.92);
    text-shadow: 0 1px 2px rgba(2, 14, 38, 0.4);
}

.site-header--transparent .site-nav__link:hover,
.site-header--transparent .site-nav__link:focus-visible {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.12);
}

.site-header--transparent .site-nav__link.is-active {
    color: var(--color-white);
}

.site-header--transparent .site-nav__link.is-active::after {
    background-color: var(--color-accent);
}

.site-header--transparent .site-nav__dropdown-btn {
    color: rgba(255, 255, 255, 0.92);
}

.site-header--transparent .site-nav__dropdown-btn:hover,
.site-header--transparent .site-nav__dropdown-btn:focus-visible {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.12);
}

.site-header--transparent .site-nav__item--dropdown.is-open .site-nav__dropdown-btn,
.site-header--transparent .site-nav__item--dropdown.is-open .site-nav__link--parent,
.site-header--transparent .site-nav__item--dropdown:hover .site-nav__dropdown-btn,
.site-header--transparent .site-nav__item--dropdown:hover .site-nav__link--parent {
    color: var(--color-white);
}

.site-header--transparent .menu-toggle {
    color: var(--color-white);
    border-color: rgba(255, 255, 255, 0.35);
    background-color: rgba(255, 255, 255, 0.08);
}

.site-header--transparent .menu-toggle:hover {
    background-color: rgba(255, 255, 255, 0.16);
    border-color: rgba(255, 255, 255, 0.6);
}

.site-header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: clamp(1.5rem, 3vw, 3.5rem);
}

/* The header needs a little more horizontal room than editorial sections. */
.site-header .container {
    max-width: min(100%, 1560px);
    padding-inline: clamp(1rem, 2vw, 2rem);
}

.site-header__logo {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    z-index: 1;
    margin-right: clamp(1.5rem, 2.5vw, 3rem);
}

.site-header__logo-link {
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.site-header__logo-link:hover {
    opacity: 0.85;
}

.site-header__logo-link:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 4px;
    border-radius: var(--radius-sm);
}

.site-header__logo-img {
    width: auto;
    height: 2.375rem;
    max-width: 10.5rem;
    object-fit: contain;
    transition: height var(--transition-normal);
}

.site-header__actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 0;
}

.site-header__cta {
    display: none;
}

.site-nav {
    display: none;
    min-width: 0;
    flex: 1 1 auto;
    justify-content: flex-end;
}

.site-nav__list {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(0.25rem, 0.5vw, 0.625rem);
    list-style: none;
    flex-wrap: nowrap;
    margin: 0;
    padding: 0;
}

.site-nav__item {
    position: relative;
}

.site-nav__item--cta {
    margin-left: clamp(1.75rem, 2.5vw, 3.25rem);
}

.site-nav__btn {
    white-space: nowrap;
    padding: 0.5rem 1.125rem;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
}

.site-nav__link {
    position: relative;
    display: inline-flex;
    align-items: center;
    min-height: 2.5rem;
    padding: 0.4375rem clamp(0.375rem, 0.5vw, 0.625rem);
    font-size: 0.8125rem;
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
    white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link:focus-visible {
    color: var(--color-primary);
    background-color: var(--color-primary-subtle);
}

.site-nav__link.is-active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.site-nav__link.is-active::after {
    content: "";
    position: absolute;
    bottom: 0.1875rem;
    left: clamp(0.375rem, 0.55vw, 0.6875rem);
    right: clamp(0.375rem, 0.55vw, 0.6875rem);
    height: 2px;
    background-color: var(--color-accent);
    border-radius: var(--radius-full);
}

/* Dropdown — Nos activités */
.site-nav__dropdown-wrap {
    display: flex;
    align-items: center;
    min-height: 2.75rem;
}

.site-nav__link--parent {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    padding-right: 0.375rem;
}

.site-nav__dropdown-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.75rem;
    padding: 0.5rem 0.375rem;
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
}

.site-nav__dropdown-btn:hover,
.site-nav__dropdown-btn:focus-visible {
    color: var(--color-primary);
    background-color: var(--color-primary-subtle);
}

.site-nav__item--dropdown.is-open .site-nav__dropdown-btn,
.site-nav__item--dropdown.is-open .site-nav__link--parent {
    color: var(--color-primary);
}

.site-nav__dropdown-icon {
    transition: transform var(--transition-fast);
}

.site-nav__item--dropdown.is-open .site-nav__dropdown-icon {
    transform: rotate(180deg);
}

.site-nav__dropdown {
    position: absolute;
    top: calc(100% + 0.375rem);
    left: 50%;
    transform: translateX(-50%) translateY(0.5rem);
    min-width: 15rem;
    padding: 0.375rem;
    list-style: none;
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity var(--transition-fast),
        transform var(--transition-fast),
        visibility var(--transition-fast);
    z-index: calc(var(--z-header) + 1);
}

/* Invisible bridge preventing dropdown from disappearing on mouse transition */
.site-nav__dropdown::before {
    content: "";
    position: absolute;
    top: -0.75rem;
    left: 0;
    right: 0;
    height: 0.75rem;
    background: transparent;
}

@media (min-width: 1024px) {
    .site-nav__item--dropdown:hover .site-nav__dropdown {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
        transform: translateX(-50%) translateY(0);
    }

    .site-nav__item--dropdown:hover .site-nav__dropdown-btn,
    .site-nav__item--dropdown:hover .site-nav__link--parent {
        color: var(--color-primary);
    }

    .site-nav__item--dropdown:hover .site-nav__dropdown-icon {
        transform: rotate(180deg);
    }
}

.site-nav__item--dropdown.is-open .site-nav__dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}

.site-nav__dropdown-link {
    display: block;
    padding: 0.625rem 0.875rem;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    border-radius: var(--radius-sm);
    transition:
        color var(--transition-fast),
        background-color var(--transition-fast);
    white-space: nowrap;
}

.site-nav__dropdown-link:hover,
.site-nav__dropdown-link:focus-visible {
    color: var(--color-primary);
    background-color: var(--color-primary-subtle);
}

/* Mobile menu toggle */
.menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.menu-toggle:hover {
    background-color: var(--color-surface);
    border-color: var(--color-border-strong);
}

.menu-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.menu-toggle__icon {
    position: relative;
    width: 1.25rem;
    height: 2px;
    background-color: currentColor;
    transition: background-color var(--transition-fast);
}

.menu-toggle__icon::before,
.menu-toggle__icon::after {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: currentColor;
    transition: transform var(--transition-normal);
}

.menu-toggle__icon::before {
    top: -6px;
}

.menu-toggle__icon::after {
    top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon {
    background-color: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::before {
    transform: translateY(6px) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-toggle__icon::after {
    transform: translateY(-6px) rotate(-45deg);
}

/* Mobile navigation panel */
.mobile-nav {
    position: fixed;
    inset: 0;
    z-index: var(--z-mobile-nav);
    visibility: hidden;
    pointer-events: none;
}

.mobile-nav.is-open {
    visibility: visible;
    pointer-events: auto;
}

.mobile-nav__overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(26, 31, 46, 0.45);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.mobile-nav.is-open .mobile-nav__overlay {
    opacity: 1;
}

.mobile-nav__panel {
    position: absolute;
    top: 0;
    right: 0;
    display: flex;
    flex-direction: column;
    width: min(100%, 22rem);
    height: 100%;
    background-color: var(--color-background);
    box-shadow: var(--shadow-lg);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    overflow-y: auto;
}

.mobile-nav.is-open .mobile-nav__panel {
    transform: translateX(0);
}

.mobile-nav__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    flex-shrink: 0;
}

.mobile-nav__header-logo {
    display: flex;
    align-items: center;
}

.mobile-nav__header-logo img {
    height: 2rem;
    width: auto;
    object-fit: contain;
}

.mobile-nav__close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    min-width: 2.75rem;
    min-height: 2.75rem;
    padding: 0;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    color: var(--color-text);
    cursor: pointer;
    transition:
        background-color var(--transition-fast),
        border-color var(--transition-fast);
}

.mobile-nav__close:hover {
    background-color: var(--color-surface);
    border-color: var(--color-border-strong);
}

.mobile-nav__close:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.mobile-nav__list {
    list-style: none;
    padding: 0.5rem 1.25rem;
    flex: 1;
}

.mobile-nav__link {
    display: block;
    padding: 0.9375rem 0;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    text-decoration: none;
    border-bottom: 1px solid var(--color-border);
    transition: color var(--transition-fast);
}

.mobile-nav__link:hover,
.mobile-nav__link:focus-visible {
    color: var(--color-primary);
}

.mobile-nav__link.is-active {
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
    padding-left: 0.75rem;
    border-left: 3px solid var(--color-accent);
}

.mobile-nav__submenu-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 0.9375rem 0;
    font-family: inherit;
    font-size: var(--font-size-body);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    background: transparent;
    border: none;
    border-bottom: 1px solid var(--color-border);
    cursor: pointer;
    text-align: left;
    transition: color var(--transition-fast);
}

.mobile-nav__submenu-toggle:hover,
.mobile-nav__submenu-toggle:focus-visible {
    color: var(--color-primary);
}

.mobile-nav__submenu-icon {
    transition: transform var(--transition-fast);
    flex-shrink: 0;
}

.mobile-nav__item--submenu.is-open .mobile-nav__submenu-icon {
    transform: rotate(180deg);
}

.mobile-nav__submenu {
    list-style: none;
    padding: 0 0 0.5rem 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.mobile-nav__sublink {
    display: block;
    padding: 0.625rem 0;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.mobile-nav__sublink:hover,
.mobile-nav__sublink:focus-visible {
    color: var(--color-primary);
}

.mobile-nav__cta {
    padding: 1.25rem;
    border-top: 1px solid var(--color-border);
    flex-shrink: 0;
}

body.nav-open {
    overflow: hidden;
}

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

.page-hero {
    padding-block: clamp(3rem, 8vw, 5rem);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
}

.page-hero__inner {
    max-width: var(--container-narrow);
}

.page-hero__title {
    margin-bottom: 0.75rem;
}

.page-hero__description {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.anchor-section {
    scroll-margin-top: calc(var(--header-height) + 1rem);
}

/* --------------------------------------------------------------------------
   Breadcrumbs
   -------------------------------------------------------------------------- */

.breadcrumb {
    margin-bottom: 1rem;
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.375rem;
    list-style: none;
    font-size: var(--font-size-caption);
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    color: var(--color-text-muted);
}

.breadcrumb__item:not(:last-child)::after {
    content: "/";
    color: var(--color-border-strong);
}

.breadcrumb__link {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.breadcrumb__current {
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
}

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

.card {
    background-color: var(--color-surface-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition:
        border-color var(--transition-normal),
        box-shadow var(--transition-normal),
        transform var(--transition-normal);
}

.card__body {
    padding: 1.5rem;
}

.card__title {
    margin-bottom: 0.5rem;
    font-size: var(--font-size-h4);
}

.card__text {
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.card__image {
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background-color: var(--color-surface);
}

.card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

@media (prefers-reduced-motion: no-preference) {
    .card:hover {
        border-color: var(--color-border-strong);
        box-shadow: var(--shadow-md);
    }

    .card--interactive:hover {
        transform: translateY(-2px);
    }

    .card--interactive:hover .card__image img {
        transform: scale(1.03);
    }
}

/* Partner logo card */
.partner-card {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    aspect-ratio: 3 / 2;
    transition:
        border-color var(--transition-normal),
        box-shadow var(--transition-normal);
}

.partner-card img {
    max-width: 100%;
    max-height: 3.5rem;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(30%);
    opacity: 0.85;
    transition:
        filter var(--transition-normal),
        opacity var(--transition-normal);
}

@media (prefers-reduced-motion: no-preference) {
    .partner-card:hover {
        border-color: var(--color-border-strong);
        box-shadow: var(--shadow-sm);
    }

    .partner-card:hover img {
        filter: grayscale(0%);
        opacity: 1;
    }
}

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.625rem;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    line-height: 1.4;
    border-radius: var(--radius-full);
    letter-spacing: 0.01em;
}

.badge--primary {
    background-color: var(--color-primary-subtle);
    color: var(--color-primary);
}

.badge--accent {
    background-color: var(--color-accent-subtle);
    color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   Statistics
   -------------------------------------------------------------------------- */

.stat {
    text-align: center;
    padding: 1.5rem;
}

.stat__value {
    display: block;
    font-size: var(--font-size-h2);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    line-height: var(--line-height-tight);
}

.stat__label {
    display: block;
    margin-top: 0.375rem;
    font-size: var(--font-size-small);
    color: var(--color-text-secondary);
}

/* --------------------------------------------------------------------------
   CTA Section
   -------------------------------------------------------------------------- */

.cta-section {
    padding-block: clamp(3rem, 6vw, 4.5rem);
    background-color: var(--color-primary);
    color: var(--color-text-inverse);
}

.cta-section__title {
    color: var(--color-text-inverse);
    margin-bottom: 0.75rem;
}

.cta-section__description {
    color: rgba(255, 255, 255, 0.85);
    max-width: 36rem;
    margin-bottom: 1.5rem;
    line-height: var(--line-height-relaxed);
}

.cta-section .btn--outline {
    color: var(--color-text-inverse);
    border-color: rgba(255, 255, 255, 0.5);
}

.cta-section .btn--outline:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--color-text-inverse);
    border-color: var(--color-text-inverse);
}

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

.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    margin-bottom: 0.375rem;
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.form-label--required::after {
    content: " *";
    color: var(--color-accent);
}

.form-input,
.form-textarea,
.form-select {
    display: block;
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: inherit;
    font-size: var(--font-size-body);
    color: var(--color-text);
    background-color: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast);
}

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

.form-input:hover,
.form-textarea:hover,
.form-select:hover {
    border-color: var(--color-border-strong);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-focus-ring);
}

.form-input.is-invalid,
.form-textarea.is-invalid,
.form-select.is-invalid {
    border-color: var(--color-error);
}

.form-input.is-invalid:focus,
.form-textarea.is-invalid:focus,
.form-select.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2);
}

.form-textarea {
    min-height: 8rem;
    resize: vertical;
}

.form-error {
    display: none;
    margin-top: 0.375rem;
    font-size: var(--font-size-caption);
    color: var(--color-error);
}

.form-error.is-visible {
    display: block;
}

.form-success {
    padding: 1rem 1.25rem;
    background-color: var(--color-success-subtle);
    color: var(--color-success);
    border-radius: var(--radius-md);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-medium);
}

.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 1.125rem;
    height: 1.125rem;
    margin-top: 0.125rem;
    accent-color: var(--color-primary);
    flex-shrink: 0;
}

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

.site-footer {
    background-color: #fff;
    color: #171d2b;
}

.site-footer a {
    color: #171d2b;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.site-footer a:hover {
    color: var(--color-primary);
}

.site-footer a:focus-visible {
    color: var(--color-primary);
    outline: 2px solid var(--color-primary);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* Footer CTA band */
.site-footer__cta-band {
    background-color: var(--color-primary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-block: clamp(2rem, 4vw, 2.75rem);
}

.site-footer__cta-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.site-footer__cta-title {
    margin-bottom: 0.375rem;
    font-size: var(--font-size-h3);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-inverse);
    line-height: var(--line-height-tight);
}

.site-footer__cta-text {
    font-size: var(--font-size-body);
    color: rgba(255, 255, 255, 0.8);
    line-height: var(--line-height-normal);
}

.site-footer__cta-btn {
    flex-shrink: 0;
}

.site-footer__grid {
    display: grid;
    gap: 2.5rem;
    padding-block: clamp(3rem, 6vw, 4.5rem);
}

.site-footer__brand-logo {
    display: block;
    height: auto;
    width: min(100%, 17rem);
    max-height: 5rem;
    margin-bottom: 1rem;
    object-fit: contain;
}

.site-footer__tagline {
    font-size: var(--font-size-small);
    line-height: var(--line-height-relaxed);
    color: var(--color-text-secondary);
    max-width: 30ch;
}

.site-footer__heading {
    margin-bottom: 1.125rem;
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    color: var(--color-primary-dark);
}

.site-footer__list {
    list-style: none;
}

.site-footer__list li {
    margin-bottom: 0.5rem;
}

.site-footer__list a {
    font-size: var(--font-size-small);
}

.site-footer__address {
    font-style: normal;
}

.site-footer__address-block {
    margin-bottom: 1rem;
    font-size: var(--font-size-small);
    line-height: var(--line-height-relaxed);
    color: rgba(255, 255, 255, 0.75);
}

.site-footer__address-block:last-child {
    margin-bottom: 0;
}

.site-footer__contact-list {
    list-style: none;
    margin-top: 1.25rem;
}

.site-footer__contact-list li {
    margin-bottom: 0.5rem;
    font-size: var(--font-size-small);
}

.site-footer__contact-link {
    font-weight: var(--font-weight-medium);
}

.site-footer__contact-label {
    color: rgba(255, 255, 255, 0.55);
    font-size: var(--font-size-caption);
    margin-right: 0.25rem;
}

.site-footer__bottom {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 1.5rem;
    padding-block: 1.25rem;
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-caption);
    color: var(--color-text-secondary);
}

.site-footer__copyright {
    margin: 0;
}

.site-footer__legal-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-footer__legal-list a {
    font-size: var(--font-size-caption);
    color: #171d2b;
}

.site-footer__legal-list a:hover {
    color: var(--color-primary);
}

.site-footer__accent-line {
    width: 3rem;
    height: 3px;
    background-color: var(--color-accent);
    margin-bottom: 1rem;
    border-radius: var(--radius-full);
}

/* --------------------------------------------------------------------------
   Animation utilities
   -------------------------------------------------------------------------- */

.animate-on-scroll {
    opacity: 0;
    transform: translateY(var(--animation-distance));
    transition:
        opacity var(--animation-duration) ease,
        transform var(--animation-duration) ease;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.animate-on-scroll[data-delay="1"] { transition-delay: calc(var(--animation-stagger) * 1); }
.animate-on-scroll[data-delay="2"] { transition-delay: calc(var(--animation-stagger) * 2); }
.animate-on-scroll[data-delay="3"] { transition-delay: calc(var(--animation-stagger) * 3); }
.animate-on-scroll[data-delay="4"] { transition-delay: calc(var(--animation-stagger) * 4); }

@media (prefers-reduced-motion: reduce) {
    .animate-on-scroll {
        opacity: 1;
        transform: none;
        transition: none;
    }
}

.fade-in {
    animation: fadeIn var(--animation-duration) ease forwards;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@media (prefers-reduced-motion: reduce) {
    .fade-in {
        animation: none;
    }
}

/* --------------------------------------------------------------------------
   Preloader (Branded First-Visit Screen)
   -------------------------------------------------------------------------- */

.deltatec-preloader {
    position: fixed; inset: 0; z-index: 999999; display: flex; align-items: center; justify-content: center;
    overflow: hidden; background: radial-gradient(ellipse at 50% 48%, #142b57 0%, #0c1731 53%, #080f21 100%);
    opacity: 1; visibility: visible; transition: opacity .52s cubic-bezier(.22,.68,0,1), visibility .52s ease;
}
.deltatec-preloader--done { opacity: 0; visibility: hidden; pointer-events: none; }
.deltatec-preloader__nodes { position: absolute; inset: 0; max-width: 1200px; margin: auto; overflow: hidden; }
.deltatec-preloader__nodes::before {
    content: ""; position: absolute; inset: 17% 8%; opacity: 0;
    background-image: linear-gradient(145deg, transparent 18%, rgba(82,153,237,.19) 18.1%, transparent 18.5%), linear-gradient(24deg, transparent 35%, rgba(82,153,237,.16) 35.1%, transparent 35.5%), linear-gradient(154deg, transparent 62%, rgba(82,153,237,.15) 62.1%, transparent 62.5%), linear-gradient(8deg, transparent 75%, rgba(82,153,237,.15) 75.1%, transparent 75.5%);
}
.deltatec-preloader__nodes span { position: absolute; left: var(--node-x); top: var(--node-y); width: 5px; height: 5px; border-radius: 50%; background: #83bdff; opacity: 0; transform: scale(.5); box-shadow: 0 0 0 5px rgba(80,156,245,.08), 0 0 16px 3px rgba(85,163,255,.44); }
.deltatec-preloader__ecg { position: absolute; left: 50%; top: 50%; width: min(94vw, 1200px); height: clamp(130px, 34vh, 400px); transform: translate(-50%,-50%); overflow: visible; }
.deltatec-preloader__ecg-track, .deltatec-preloader__ecg-pulse { fill: none; stroke-linecap: round; stroke-linejoin: round; stroke-dasharray: 1000; stroke-dashoffset: 1000; }
.deltatec-preloader__ecg-track { stroke: rgba(105,184,255,.82); stroke-width: 2; }
.deltatec-preloader__ecg-pulse { stroke: #d3edff; stroke-width: 2.5; filter: drop-shadow(0 0 5px rgba(87,174,255,.95)); }
.deltatec-preloader__brand { position: relative; z-index: 2; display: grid; place-items: center; width: min(86vw, 400px); min-height: 92px; opacity: 0; transform: translateY(9px) scale(.97); }
.deltatec-preloader__logo { display: block; width: 100%; height: auto; max-height: 100px; object-fit: contain; }
.deltatec-preloader--started .deltatec-preloader__nodes::before { animation: deltatecNodes .8s ease-out forwards; }
.deltatec-preloader--started .deltatec-preloader__nodes span { animation: deltatecNode .48s ease-out var(--node-delay) forwards; }
.deltatec-preloader--started .deltatec-preloader__ecg-track { animation: deltatecEcgDraw 2s cubic-bezier(.4,0,.2,1) 1s forwards; }
.deltatec-preloader--started .deltatec-preloader__ecg-pulse { animation: deltatecEcgPulse .9s linear 3.9s forwards; }
.deltatec-preloader--started .deltatec-preloader__brand { animation: deltatecBrandReveal .7s cubic-bezier(.2,.75,.25,1) 3s forwards; }
.deltatec-preloader--quick { transition-duration: .22s; }
.deltatec-preloader--quick .deltatec-preloader__nodes, .deltatec-preloader--quick .deltatec-preloader__ecg, .deltatec-preloader--quick .deltatec-preloader__brand { display: none; }
@keyframes deltatecNodes { to { opacity: 1; } }
@keyframes deltatecNode { to { opacity: .8; transform: scale(1); } }
@keyframes deltatecEcgDraw { to { stroke-dashoffset: 0; } }
@keyframes deltatecEcgPulse { from { stroke-dashoffset: 1000; } to { stroke-dashoffset: -180; } }
@keyframes deltatecBrandReveal { to { opacity: 1; transform: translateY(0) scale(1); } }
@media (max-width: 600px) { .deltatec-preloader__ecg { width: 112vw; height: clamp(110px,23vh,200px); } .deltatec-preloader__brand { width: min(80vw,330px); min-height: 68px; } .deltatec-preloader__nodes span { width: 4px; height: 4px; } }
@media (prefers-reduced-motion: reduce) { .deltatec-preloader, .deltatec-preloader--done { display: none !important; animation: none !important; transition: none !important; } .deltatec-preloader__nodes, .deltatec-preloader__ecg, .deltatec-preloader__brand { animation: none !important; } }