/* FIBAU v3.1 – tartalmi, űrlap- és accessibility polish */
.fibau-v3-section {
    padding-block: clamp(2.75rem, 5vw, 4.75rem);
}
.fibau-v3-section--projects {
    padding-top: clamp(2.5rem, 4vw, 4rem);
    padding-bottom: clamp(3rem, 5vw, 5rem);
}
.fibau-v3-section-head {
    display: grid;
    grid-template-columns: minmax(16rem, .62fr) minmax(20rem, 1.38fr);
    gap: .4rem clamp(2rem, 6vw, 6rem);
    align-items: end;
    margin-bottom: 1.6rem;
}
.fibau-v3-section-head .fibau-v3-section-label {
    grid-column: 1 / -1;
    margin-bottom: .15rem;
}
.fibau-v3-section-head h2 {
    margin: 0;
    max-width: 17ch;
    font: 750 clamp(2rem, 3vw, 3.25rem)/.92 var(--fibau-display-font);
    letter-spacing: -.025em;
    text-transform: uppercase;
}
.fibau-v3-section-head > p:last-child {
    max-width: 68ch;
    margin: 0;
    color: var(--fibau-text-muted);
    font-size: .96rem;
    line-height: 1.68;
}
.fibau-v3-section-head--projects {
    margin-bottom: 1.35rem;
}
.fibau-v3-section-head--process {
    grid-template-columns: 1fr;
    margin-bottom: 1.5rem;
}
.fibau-v3-section-head--process h2 {
    max-width: none;
    font-size: clamp(1.75rem, 2.4vw, 2.6rem);
}
.fibau-v3-hero__lead {
    max-width: 38rem;
    font-size: clamp(1rem, 1.15vw, 1.12rem);
}
.fibau-v3-button span {
    transition: transform 180ms ease;
}
.fibau-v3-button:hover span,
.fibau-v3-button:focus-visible span {
    transform: translateX(.3rem);
}

.fibau-v3-services--featured {
    align-items: stretch;
}
.fibau-v3-service-card {
    min-height: 19rem;
    grid-template-columns: 38% 62%;
}
.fibau-v3-service-card__body {
    padding: 1.2rem 1.25rem 1.1rem;
}
.fibau-v3-card-number {
    display: block;
    margin-bottom: .65rem;
    color: var(--fibau-terracotta);
    font: 800 .72rem/1 var(--fibau-body-font);
    letter-spacing: .08em;
}
.fibau-v3-service-card h3 {
    max-width: 13ch;
    margin-bottom: .75rem;
    font-size: clamp(1.55rem, 1.85vw, 2rem);
    line-height: .94;
}
.fibau-v3-service-card p,
.fibau-v3-service-detail p {
    max-width: 64ch;
    color: var(--fibau-text-muted);
    font-size: .875rem;
    line-height: 1.58;
}
.fibau-v3-service-card__body > a {
    position: static;
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    align-self: flex-start;
    margin-top: auto;
    padding-top: 1rem;
    color: var(--fibau-terracotta);
    font-size: .76rem;
    font-weight: 800;
    line-height: 1;
    text-decoration: none;
}
.fibau-v3-service-card__body > a span {
    color: var(--fibau-text);
}
.fibau-v3-service-details {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}
.fibau-v3-service-detail {
    min-height: 17rem;
    display: flex;
    flex-direction: column;
    padding: 1.35rem;
    background: rgba(247, 244, 239, .94);
    border: 1px solid var(--fibau-border);
}
.fibau-v3-service-detail:last-child:nth-child(5) {
    grid-column: span 2;
}
.fibau-v3-service-detail h3 {
    max-width: 16ch;
    margin: 0 0 .75rem;
    font: 750 clamp(1.55rem, 1.8vw, 1.95rem)/.94 var(--fibau-display-font);
    letter-spacing: -.02em;
    text-transform: uppercase;
}
.fibau-v3-service-detail p {
    margin: 0;
}
.fibau-v3-service-detail a {
    align-self: flex-start;
    margin-top: auto;
    padding-top: 1rem;
    color: var(--fibau-text);
    font-size: .76rem;
    font-weight: 800;
    text-decoration: none;
}
.fibau-v3-service-detail a span {
    margin-left: .35rem;
    color: var(--fibau-terracotta);
}
.fibau-v3-service-card a:focus-visible,
.fibau-v3-service-detail a:focus-visible {
    outline: 2px solid var(--fibau-terracotta);
    outline-offset: 4px;
}

.fibau-v3-project-card {
    min-height: 15rem;
}
.fibau-v3-project-card p {
    max-width: 48ch;
    margin-bottom: 0;
    font-size: .82rem;
    line-height: 1.5;
}

.fibau-v3-about {
    padding-top: clamp(2.75rem, 5vw, 4.75rem);
}
.fibau-v3-about__intro {
    display: grid;
    grid-template-columns: minmax(12rem, .45fr) minmax(20rem, 1.55fr);
    gap: 2rem clamp(2rem, 6vw, 6rem);
    padding-bottom: clamp(2.25rem, 4vw, 3.5rem);
}
.fibau-v3-about__intro .fibau-v3-section-label {
    color: var(--fibau-text-light);
}
.fibau-v3-about__intro h2 {
    max-width: 25ch;
    margin: 0 0 1rem;
    font: 750 clamp(2rem, 3.1vw, 3.2rem)/.94 var(--fibau-display-font);
    letter-spacing: -.02em;
    text-transform: uppercase;
}
.fibau-v3-about__intro div > p {
    max-width: 68ch;
    margin: 0;
    color: rgba(247, 244, 239, .72);
    font-size: .96rem;
    line-height: 1.72;
}
.fibau-v3-about__grid {
    min-height: 10.5rem;
    border-top: 1px solid var(--fibau-border-light);
}
.fibau-v3-about__year {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: .6rem;
}
.fibau-v3-about__year > p:last-child {
    margin: 0;
    color: rgba(247, 244, 239, .62);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .05em;
    text-transform: uppercase;
}
.fibau-v3-about__item p {
    font-size: .78rem;
    line-height: 1.5;
}

.fibau-v3-process {
    padding-block: clamp(2.5rem, 4vw, 4rem);
}
.fibau-v3-process__step {
    grid-template-columns: 3rem 1fr;
    padding-right: 1.7rem;
}
.fibau-v3-process__step h3 {
    font-size: .82rem;
}
.fibau-v3-process__step p {
    font-size: .875rem;
    line-height: 1.55;
}
.fibau-v3-cta__grid {
    min-height: 9rem;
}

body.fibau-modal-open {
    overflow: hidden;
}
.fibau-v3-modal[hidden] {
    display: none;
}
.fibau-v3-modal {
    position: fixed;
    z-index: 1000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 1.5rem;
    visibility: hidden;
    pointer-events: none;
    transition: visibility 0s linear 340ms;
}
.fibau-v3-modal.is-open {
    visibility: visible;
    pointer-events: auto;
    transition-delay: 0s;
}
.fibau-v3-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(12, 13, 14, .78);
    backdrop-filter: blur(5px);
    opacity: 0;
    transition: opacity 260ms ease;
}
.fibau-v3-modal.is-open .fibau-v3-modal__backdrop {
    opacity: 1;
}
.fibau-v3-modal__dialog {
    width: min(58rem, 100%);
    max-height: min(88vh, 52rem);
    position: relative;
    z-index: 1;
    overflow: auto;
    overscroll-behavior: contain;
    color: var(--fibau-text);
    background: var(--fibau-warm-white);
    border: 1px solid rgba(247, 244, 239, .25);
    box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, .34);
    opacity: 0;
    transform: translateY(1.25rem) scale(.985);
    transform-origin: center center;
    transition: opacity 220ms ease, transform 320ms cubic-bezier(.22, 1, .36, 1);
    will-change: opacity, transform;
}
.fibau-v3-modal.is-open .fibau-v3-modal__dialog {
    opacity: 1;
    transform: translateY(0) scale(1);
}
.fibau-v3-modal__close {
    width: 2.75rem;
    height: 2.75rem;
    position: sticky;
    z-index: 3;
    top: .8rem;
    float: right;
    display: grid;
    place-items: center;
    margin: .8rem .8rem -3.55rem 0;
    color: var(--fibau-text);
    background: var(--fibau-warm-white);
    border: 1px solid var(--fibau-border);
    border-radius: 0;
    font-size: 1.65rem;
    line-height: 1;
    cursor: pointer;
}
.fibau-v3-modal__close:hover,
.fibau-v3-modal__close:focus-visible {
    color: var(--fibau-warm-white);
    background: var(--fibau-terracotta);
    border-color: var(--fibau-terracotta);
}
.fibau-v3-modal__content {
    padding: clamp(1.5rem, 4vw, 3.25rem);
}
.fibau-v3-modal .mw4-contact-form {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.25rem;
}
.fibau-v3-modal .mw4-contact-form-title,
.fibau-v3-modal .mw4-contact-form-intro,
.fibau-v3-modal .mw4-contact-form-message,
.fibau-v3-modal .mw4-contact-form-success,
.fibau-v3-modal .mw4-contact-form-errors,
.fibau-v3-modal .mw4-contact-form-field:not(.mw4-contact-form-field--half),
.fibau-v3-modal .mw4-contact-form-submit {
    grid-column: 1 / -1;
}
.fibau-v3-modal .mw4-contact-form-title {
    max-width: 18ch;
    margin: 0 3rem .25rem 0;
    font: 750 clamp(2.2rem, 4vw, 3.7rem)/.9 var(--fibau-display-font);
    letter-spacing: -.025em;
    text-transform: uppercase;
}
.fibau-v3-modal .mw4-contact-form-intro {
    max-width: 66ch;
    margin: 0 0 .8rem;
    color: var(--fibau-text-muted);
    font-size: .96rem;
    line-height: 1.65;
}
.fibau-v3-modal .mw4-contact-form-field {
    min-width: 0;
    margin: 0 !important;
}
.fibau-v3-modal .form-label,
.fibau-v3-modal .form-check-label {
    display: block;
    margin: 0 0 .42rem;
    color: var(--fibau-text);
    font-size: .78rem;
    font-weight: 800;
}
.fibau-v3-modal .form-control,
.fibau-v3-modal .form-select {
    width: 100%;
    min-height: 3.125rem;
    padding: .78rem .9rem;
    color: var(--fibau-text);
    background: #fff;
    border: 1px solid var(--fibau-border);
    border-radius: 0;
    font: 400 1rem/1.35 var(--fibau-body-font);
    transition: border-color 180ms ease, box-shadow 180ms ease;
}
.fibau-v3-modal textarea.form-control {
    min-height: 9rem;
    resize: vertical;
}
.fibau-v3-modal .form-control:hover,
.fibau-v3-modal .form-select:hover {
    border-color: color-mix(in srgb, var(--fibau-text) 45%, var(--fibau-border));
}
.fibau-v3-modal .form-control:focus,
.fibau-v3-modal .form-select:focus {
    outline: 0;
    border-color: var(--fibau-terracotta);
    box-shadow: 0 0 0 3px rgba(200, 100, 58, .17);
}
.fibau-v3-modal .mw4-contact-form-field.is-invalid .form-control,
.fibau-v3-modal .mw4-contact-form-field.is-invalid .form-select {
    border-color: #a83d31;
}
.fibau-v3-modal .mw4-contact-form-field-error,
.fibau-v3-modal .mw4-contact-form-field-errors {
    margin: .35rem 0 0;
    padding: 0;
    color: #96382f;
    font-size: .78rem;
    line-height: 1.4;
    list-style: none;
}
.fibau-v3-modal .mw4-contact-form-message {
    display: none;
    padding: .9rem 1rem;
    border: 1px solid transparent;
    font-size: .9rem;
    line-height: 1.5;
}
.fibau-v3-modal .mw4-contact-form-message.is-success,
.fibau-v3-modal .mw4-contact-form-message.is-error {
    display: block;
}
.fibau-v3-modal .mw4-contact-form-message.is-success {
    color: #214f37;
    background: #e7f2eb;
    border-color: #a7cdb4;
}
.fibau-v3-modal .mw4-contact-form-message.is-error {
    color: #7a2924;
    background: #faecea;
    border-color: #dfb0ab;
}
.fibau-v3-modal .mw4-contact-form-submit {
    min-width: 14rem;
    min-height: 3.125rem;
    justify-self: start;
    padding: .85rem 1.25rem;
    color: var(--fibau-warm-white);
    background: var(--fibau-terracotta);
    border: 1px solid var(--fibau-terracotta);
    border-radius: 0;
    font-size: .82rem;
    font-weight: 800;
    cursor: pointer;
    transition: background 180ms ease, border-color 180ms ease, opacity 180ms ease;
}
.fibau-v3-modal .mw4-contact-form-submit:hover,
.fibau-v3-modal .mw4-contact-form-submit:focus-visible {
    background: var(--fibau-terracotta-dark);
    border-color: var(--fibau-terracotta-dark);
}
.fibau-v3-modal .mw4-contact-form-submit:disabled,
.fibau-v3-modal .mw4-contact-form.is-submitting .mw4-contact-form-submit {
    opacity: .62;
    cursor: wait;
}
.fibau-v3-modal .mw4-contact-form.is-submitting .mw4-contact-form-submit::after {
    content: " …";
}
.fibau-v3--residential .fibau-v3-modal__dialog,
.fibau-v3--residential .fibau-v3-modal__close {
    background: #fbf8f3;
}

.fibau-back-to-top {
    width: 3.25rem;
    height: 3.25rem;
    position: fixed;
    z-index: 850;
    right: clamp(1rem, 2.5vw, 2rem);
    bottom: max(1rem, env(safe-area-inset-bottom));
    display: grid;
    place-items: center;
    padding: 0;
    color: var(--fibau-warm-white);
    background: var(--fibau-black);
    border: 1px solid rgba(247, 244, 239, .28);
    border-radius: 0;
    box-shadow: 0 .8rem 2.5rem rgba(0, 0, 0, .24);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transform: translateY(.8rem) scale(.94);
    transition: opacity 180ms ease, visibility 0s linear 220ms, transform 220ms cubic-bezier(.22, 1, .36, 1), background 180ms ease, border-color 180ms ease;
    cursor: pointer;
}
.fibau-back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translateY(0) scale(1);
    transition-delay: 0s;
}
.fibau-back-to-top:hover,
.fibau-back-to-top:focus-visible {
    background: var(--fibau-terracotta);
    border-color: var(--fibau-terracotta);
    transform: translateY(-.2rem) scale(1);
}
.fibau-back-to-top span {
    font-size: 1.45rem;
    line-height: 1;
    transition: transform 180ms ease;
}
.fibau-back-to-top:hover span,
.fibau-back-to-top:focus-visible span {
    transform: translateY(-.12rem);
}

@media (max-width: 1180px) {
    .fibau-v3-services--featured {
        grid-template-columns: 1fr;
    }
    .fibau-v3-service-card {
        min-height: 17rem;
        grid-template-columns: 34% 66%;
    }
    .fibau-v3-service-details {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .fibau-v3-service-detail:last-child:nth-child(5) {
        grid-column: auto;
    }
    .fibau-v3-process__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1.5rem 0;
    }
    .fibau-v3-process__step:nth-child(2)::after {
        display: none;
    }
}
@media (max-width: 900px) {
    .fibau-v3-section-head,
    .fibau-v3-about__intro {
        grid-template-columns: 1fr;
        gap: .75rem;
    }
    .fibau-v3-section-head h2 {
        max-width: 22ch;
    }
    .fibau-v3-about__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}
@media (max-width: 760px) {
    .fibau-v3-section {
        padding-block: 2.6rem;
    }
    .fibau-v3-hero__content {
        min-height: 24rem;
    }
    .fibau-v3-hero__lead {
        font-size: 1rem;
    }
    .fibau-v3-service-card {
        min-height: 0;
        grid-template-columns: 1fr;
        grid-template-rows: 12.5rem auto;
    }
    .fibau-v3-service-card__body {
        min-height: 18rem;
        padding: 1.2rem;
    }
    .fibau-v3-service-card h3 {
        max-width: 16ch;
        font-size: 1.8rem;
    }
    .fibau-v3-service-card p,
    .fibau-v3-service-detail p,
    .fibau-v3-process__step p {
        padding-right: 0;
        font-size: .9rem;
    }
    .fibau-v3-service-details,
    .fibau-v3-about__grid,
    .fibau-v3-process__grid {
        grid-template-columns: 1fr;
    }
    .fibau-v3-service-detail {
        min-height: 0;
    }
    .fibau-v3-about {
        padding-top: 2.6rem;
    }
    .fibau-v3-about__intro {
        padding-bottom: 2.25rem;
    }
    .fibau-v3-about__year,
    .fibau-v3-about__item,
    .fibau-v3-about__item:nth-child(2) {
        min-height: 8rem;
    }
    .fibau-v3-process__step {
        min-height: 0;
        padding-block: 1rem;
    }
    .fibau-v3-modal {
        align-items: end;
        padding: 0;
    }
    .fibau-v3-modal__dialog {
        width: 100%;
        max-height: 94dvh;
    }
    .fibau-v3-modal__content {
        padding: 1.5rem 1.25rem 2rem;
    }
    .fibau-v3-modal .mw4-contact-form {
        grid-template-columns: 1fr;
    }
    .fibau-v3-modal .mw4-contact-form-field--half {
        grid-column: 1;
    }
    .fibau-v3-modal .mw4-contact-form-title {
        font-size: clamp(2rem, 11vw, 3rem);
    }
    .fibau-v3-modal .mw4-contact-form-submit {
        width: 100%;
    }
}
@media (max-width: 430px) {
    .fibau-v3-hero__content {
        min-height: 23rem;
    }
    .fibau-v3-section-head h2,
    .fibau-v3-about__intro h2 {
        font-size: 2rem;
    }
}
@media (prefers-reduced-motion: reduce) {
    .fibau-back-to-top {
        transition-duration: .01ms !important;
    }
    .fibau-v3 *,
    .fibau-v3 *::before,
    .fibau-v3 *::after {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}