/* DELTATEC — À propos */

.about-hero {
    position: relative;
    overflow: hidden;
    padding-block: clamp(3rem, 7vw, 5.5rem);
    background: var(--color-surface);
}

.about-hero__background {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(29, 61, 129, .05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(29, 61, 129, .05) 1px, transparent 1px);
    background-size: 4rem 4rem;
    mask-image: linear-gradient(90deg, #000, transparent);
}

.about-hero__inner {
    position: relative;
    display: grid;
    gap: clamp(1.75rem, 4vw, 3.5rem);
}

.about-hero__breadcrumb {
    grid-column: 1 / -1;
}

.about-hero__content {
    max-width: 48rem;
}

.about-hero__title {
    max-width: 21ch;
    margin-bottom: 1rem;
    font-size: clamp(2.35rem, 4.5vw, 4.25rem);
    line-height: 1.08;
    letter-spacing: -.035em;
    text-wrap: balance;
    color: var(--color-primary);
}

.about-hero__text {
    max-width: 40rem;
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.about-hero__signature {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-end;
    align-self: end;
    gap: 1rem;
    padding: clamp(1.25rem, 2.5vw, 2rem);
    border-left: 3px solid var(--color-accent);
    background: rgba(255, 255, 255, .94);
    box-shadow: var(--shadow-md);
}

.about-hero__signature img {
    width: min(100%, 14rem);
    height: auto;
}

.about-hero__signature span {
    color: var(--color-primary);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
}

.about-history__grid {
    display: grid;
    gap: 2rem;
    align-items: end;
}

.about-history__lead {
    margin-bottom: 1rem;
    font-size: clamp(1.25rem, 2vw, 1.6rem);
    line-height: var(--line-height-snug);
    color: var(--color-primary);
}

.about-history__date {
    border-top: 1px solid var(--color-border-strong);
    padding-top: 1rem;
}

.about-history__date span {
    display: block;
    color: var(--color-accent);
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: var(--font-weight-bold);
    line-height: 1;
}

.about-history__date small {
    color: var(--color-text-secondary);
    font-size: var(--font-size-caption);
}


/* =========================================================
   EXPERIENCE / 35+ STATISTIC
   ========================================================= */

.about-experience {
    padding-block: clamp(3rem, 7vw, 5.5rem);
    background: var(--color-primary);
    color: var(--color-text-inverse);
}

.about-experience__grid {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.about-experience__number {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-self: start;
    gap: .35rem;
}

.about-experience__number span {
    display: block;
    color: #fff;
    font-size: clamp(4rem, 6vw, 6.25rem);
    font-weight: var(--font-weight-bold);
    line-height: .88;
    letter-spacing: -.055em;
    white-space: nowrap;
}

.about-experience__number small {
    display: block;
    margin: 0;
    color: rgba(255, 255, 255, .78);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    line-height: 1.2;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    white-space: nowrap;
}

.about-experience .section__eyebrow {
    color: rgba(255, 255, 255, .75);
    font-size: var(--font-size-small);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
}

.about-experience .section__title,
.about-experience p {
    color: #fff;
}

.about-experience p {
    max-width: 35rem;
    line-height: var(--line-height-relaxed);
}


/* =========================================================
   INTRODUCTION
   ========================================================= */

.about-introduction__grid {
    display: grid;
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
}

.about-introduction__visual {
    min-height: 19rem;
    display: flex;
    align-items: flex-end;
    padding: 1.5rem;
    background: linear-gradient(
        145deg,
        var(--color-primary-subtle),
        var(--color-surface)
    );
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.about-introduction__visual span {
    max-width: 12ch;
    color: var(--color-primary);
    font-size: clamp(1.5rem, 3vw, 2.25rem);
    font-weight: var(--font-weight-semibold);
    line-height: var(--line-height-tight);
}

.about-introduction__list {
    margin-top: 1.5rem;
    list-style: none;
    border-top: 1px solid var(--color-border);
}

.about-introduction__list li {
    position: relative;
    padding: .75rem 0 .75rem 1.25rem;
    border-bottom: 1px solid var(--color-border);
    color: var(--color-text-secondary);
}

.about-introduction__list li:before {
    content: "";
    position: absolute;
    top: 1.35rem;
    left: 0;
    width: .375rem;
    height: .375rem;
    border-radius: 50%;
    background: var(--color-accent);
}


/* =========================================================
   SAVOIR-FAIRE
   ========================================================= */

.about-knowhow {
    background: var(--color-surface);
}

.about-knowhow__list {
    display: grid;
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--color-border);
}

.about-knowhow__item {
    display: grid;
    grid-template-columns: 3rem 1fr;
    gap: 1rem;
    align-items: baseline;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-border);
}

.about-knowhow__item span {
    color: var(--color-accent);
    font-size: var(--font-size-caption);
    font-weight: var(--font-weight-bold);
}

.about-knowhow__item h3 {
    font-size: var(--font-size-h4);
    color: var(--color-primary);
}

.about-knowhow__item p {
    grid-column: 2;
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
    line-height: var(--line-height-relaxed);
}


/* =========================================================
   VALUES
   ========================================================= */

.about-values {
    border-top: 1px solid var(--color-border);
}

.about-values__grid {
    display: grid;
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-values__item {
    min-height: 10rem;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-top: 3px solid var(--color-primary);
    background: #fff;
}

.about-values__item:hover {
    border-top-color: var(--color-accent);
    box-shadow: var(--shadow-sm);
}

.about-values__item h3 {
    margin-bottom: .75rem;
    font-size: var(--font-size-h4);
    color: var(--color-primary);
}

.about-values__item p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-small);
    line-height: var(--line-height-relaxed);
}


/* =========================================================
   QUALITY & CERTIFICATIONS
   ========================================================= */

.about-quality {
    padding-block: clamp(3rem, 6vw, 5rem);
    background: var(--color-surface);
}

.about-quality__grid {
    display: grid;
    gap: 2rem;
    align-items: center;
}

.about-quality__content p {
    max-width: 36rem;
    color: var(--color-text-secondary);
    line-height: var(--line-height-relaxed);
}

.about-quality__certifications {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.about-quality__certifications li {
    min-height: 9rem;
    display: grid;
    place-items: center;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    background: #fff;
}

.about-quality__certifications img {
    width: 100%;
    max-width: 8rem;
    height: auto;
    max-height: 7.5rem;
    object-fit: contain;
}


/* =========================================================
   CTA
   ========================================================= */

.about-cta {
    padding-block: clamp(3.5rem, 7vw, 5rem);
    background: linear-gradient(
        135deg,
        var(--color-primary-dark),
        var(--color-primary)
    );
    color: #fff;
}

.about-cta__inner {
    max-width: 48rem;
}

.about-cta h2 {
    max-width: 19ch;
    margin-bottom: .75rem;
    color: #fff;
    font-size: var(--font-size-h2);
}

.about-cta p {
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, .85);
}


/* =========================================================
   RESPONSIVE
   ========================================================= */

@media (min-width: 768px) {

    .about-hero__inner {
        grid-template-columns: minmax(0, 1.35fr) minmax(15rem, .65fr);
        align-items: end;
    }

    .about-history__grid {
        grid-template-columns: .7fr 1.2fr .4fr;
    }

    .about-experience__grid {
        grid-template-columns: minmax(12rem, .72fr) minmax(0, 1.28fr);
        gap: clamp(2.5rem, 6vw, 5rem);
    }

    .about-introduction__grid {
        grid-template-columns: .8fr 1.2fr;
    }

    .about-knowhow__list {
        grid-template-columns: repeat(2, 1fr);
        column-gap: 2rem;
    }

    .about-values__grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .about-quality__grid {
        grid-template-columns: 1fr .8fr;
        gap: 4rem;
    }
}

@media (min-width: 1024px) {

    .about-hero__signature {
        margin-bottom: .25rem;
    }

    .about-introduction__visual {
        min-height: 26rem;
    }

    .about-knowhow__list {
        grid-template-columns: repeat(5, 1fr);
    }

    .about-knowhow__item {
        grid-template-columns: 1fr;
        min-height: 13rem;
        padding: 1.5rem 0;
    }

    .about-knowhow__item p {
        grid-column: auto;
    }

    .about-values__grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

@media (max-width: 479px) {

    .about-hero {
        padding-block: 2.5rem;
    }

    .about-hero__title {
        font-size: clamp(2.2rem, 11vw, 2.65rem);
        letter-spacing: -.03em;
    }

    .about-experience__number span {
        font-size: clamp(4rem, 18vw, 5.25rem);
    }

    .about-experience__number small {
        font-size: var(--font-size-caption);
    }

    .about-cta__actions {
        align-items: stretch;
    }

    .about-cta__actions .btn {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {

    .about-values__item {
        transition: none;
    }
}