/* ==========================================================================
   Acephal — Page sections: hero, ecosystem, footer
   Desktop-first composition from plaquette_projet; see responsive.css.
   ========================================================================== */

/* ---- Hero --------------------------------------------------------------- */
.hero {
    position: relative;
    isolation: isolate;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    min-height: clamp(30rem, 36vw, 37rem);
    padding-block: clamp(2rem, 2.6vw, 2.75rem) clamp(2rem, 3vw, 3rem);
    background-color: var(--acephal-night);
}

.hero__bg {
    position: absolute;
    inset: 0;
    z-index: -2;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: right bottom;
}

/* Dark-blue overlay: readable left column, landscape kept bright on the
   right, and a bottom fade into the page background under the cards. */
.hero::after {
    content: "";
    position: absolute;
    inset: 0;
    z-index: -1;
    background:
        linear-gradient(to bottom, transparent 72%, var(--acephal-night-deep) 100%),
        linear-gradient(90deg,
            color-mix(in srgb, var(--acephal-night-deep) 70%, transparent) 0%,
            color-mix(in srgb, var(--acephal-night-deep) 30%, transparent) 42%,
            transparent 62%);
}

.hero__inner {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    flex: 1;
    gap: var(--space-6);
}

.hero__main {
    display: flex;
    flex-direction: column;
}

.hero .brand {
    --brand-mark-size: clamp(4.5rem, 7vw, 6.9rem);
    --brand-name-size: clamp(2.75rem, 5vw, 4.6rem);
    --brand-tagline-size: clamp(0.7rem, 1vw, 0.95rem);
}

.hero__title {
    margin-top: clamp(1.75rem, 2.6vw, 2.5rem);
    font-size: clamp(1.3rem, 1.9vw, 1.75rem);
    font-weight: var(--weight-regular);
    line-height: 1.3;
}

.hero__highlight {
    display: block;
    font-weight: var(--weight-semibold);
    color: var(--acephal-cyan);
}

.hero__main .accent-rule {
    margin-block: 1.5rem 1.6rem;
}

.hero__keywords {
    font-size: 0.78rem;
}

/* Right-hand editorial column */
.hero__aside {
    display: grid;
    grid-template-columns: 1fr auto;
    grid-template-rows: auto 1fr;
    column-gap: var(--space-6);
}

.hero__statement {
    font-size: clamp(0.85rem, 1.05vw, 1rem);
    font-weight: var(--weight-medium);
    line-height: 1.45;
    letter-spacing: 0.24em;
    text-transform: uppercase;
}

.hero__statement .accent-rule {
    width: 2.25rem;
    margin-top: 0.9rem;
}

.hero__pillars {
    grid-column: 1 / -1;
    align-self: end;
    justify-self: end;
    margin-right: clamp(1rem, 3vw, 3rem);
    margin-bottom: var(--space-2);
}

/* ---- Ecosystem ---------------------------------------------------------- */
.ecosystem {
    position: relative;
    padding-block: var(--space-2) var(--space-7);
}

.eco-grid {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--card-gap);
}

/* ---- Footer ------------------------------------------------------------- */
.site-footer {
    border-top: 1px solid var(--acephal-line);
    background: var(--acephal-night);
    padding-block: clamp(2rem, 3vw, 2.75rem);
}

.site-footer__inner {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-6);
}

.site-footer .brand {
    --brand-mark-size: 3.1rem;
    --brand-name-size: 1.9rem;
    --brand-tagline-size: 0.58rem;
    gap: 1rem;
}

.site-footer .themes {
    padding-inline: var(--space-5);
}

.site-footer__motto {
    padding: var(--space-3) 0 var(--space-3) clamp(2rem, 4vw, 4.5rem);
    border-left: 1px solid var(--acephal-line);
    font-family: var(--font-quote);
    font-size: clamp(1.4rem, 1.8vw, 1.75rem);
    font-style: italic;
    white-space: nowrap;
    color: var(--acephal-gray);
}