/* Hero — editorial */
.about-hero {
    position: relative;
    padding-top: calc(var(--header-height) + var(--space-md));
    padding-bottom: calc(var(--space-lg) * 0.9);
    overflow: hidden;
    isolation: isolate;
}

@media (min-width: 768px) {
    .about-hero {
        padding-top: calc(var(--header-height) + var(--space-xl));
        padding-bottom: calc(var(--space-xl) * 1.05);
    }
}

.about-hero__backdrop {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 0;
}

.about-hero__aurora {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
    mix-blend-mode: screen;
}

.about-hero__aurora--1 {
    width: min(72vw, 560px);
    height: min(58vw, 440px);
    top: -6%;
    right: -8%;
    background: radial-gradient(
        circle,
        rgba(91, 154, 255, 0.18) 0%,
        rgba(123, 92, 240, 0.1) 38%,
        transparent 72%
    );
    animation: aurora-drift 28s ease-in-out infinite alternate;
}

.about-hero__aurora--2 {
    width: min(48vw, 400px);
    height: min(42vw, 360px);
    top: 28%;
    right: 4%;
    left: auto;
    background: radial-gradient(
        circle,
        rgba(123, 92, 240, 0.12) 0%,
        transparent 68%
    );
    animation: aurora-drift 34s ease-in-out infinite alternate-reverse;
}

.about-hero__aurora--cyan {
    width: min(40vw, 320px);
    height: min(36vw, 280px);
    bottom: 8%;
    right: 12%;
    background: radial-gradient(
        circle,
        rgba(77, 212, 255, 0.08) 0%,
        transparent 70%
    );
    animation: aurora-drift 30s ease-in-out infinite alternate;
}

.about-hero__grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(180, 191, 208, 0.018) 1px, transparent 1px),
        linear-gradient(90deg, rgba(180, 191, 208, 0.018) 1px, transparent 1px);
    background-size: 64px 64px;
    mask-image: radial-gradient(ellipse 90% 80% at 38% 42%, black 8%, transparent 74%);
    -webkit-mask-image: radial-gradient(ellipse 90% 80% at 38% 42%, black 8%, transparent 74%);
}

.about-hero__layout {
    position: relative;
    z-index: 1;
}

.about-hero__content {
    max-width: 38rem;
}

@media (min-width: 960px) {
    .about-hero__content {
        max-width: 40rem;
    }
}

.about-hero__eyebrow {
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.28em;
    text-transform: uppercase;
    color: var(--champagne);
    margin-bottom: var(--space-sm);
}

.about-hero__title {
    font-size: clamp(2rem, 5.5vw, 3.375rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: var(--space-md);
    max-width: 16ch;
}

@media (min-width: 960px) {
    .about-hero__title {
        margin-bottom: var(--space-lg);
    }
}

.about-hero__title-accent {
    background: linear-gradient(
        135deg,
        var(--text-primary) 0%,
        var(--champagne) 55%,
        var(--cyan) 100%
    );
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about-hero__lead {
    font-size: clamp(1.0625rem, 2.2vw, 1.1875rem);
    color: var(--text-secondary);
    line-height: 1.75;
    margin-bottom: var(--space-sm);
    max-width: 38rem;
}

.about-hero__text {
    font-size: clamp(1rem, 2vw, 1.0625rem);
    color: rgba(180, 191, 208, 0.88);
    line-height: 1.7;
    max-width: 36rem;
}

/* Perché UniVetrina */
.section--about-why {
    padding-block: calc(var(--space-xl) * 0.82);
}

.section__backdrop--about-why {
    background:
        radial-gradient(ellipse 80% 55% at 20% 40%, rgba(123, 92, 240, 0.1) 0%, transparent 58%),
        radial-gradient(ellipse 60% 45% at 85% 65%, rgba(77, 212, 255, 0.06) 0%, transparent 55%);
}

.about-why__header {
    max-width: 40rem;
    margin-bottom: calc(var(--space-lg) * 0.9);
}

.about-why__concepts {
    display: grid;
    gap: var(--space-md);
}

@media (min-width: 768px) {
    .about-why__concepts {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: var(--space-lg);
    }
}

.about-concept {
    position: relative;
    padding: var(--space-md) 0 var(--space-md) var(--space-md);
    border-left: 1px solid rgba(91, 154, 255, 0.12);
}

.about-concept__line {
    position: absolute;
    left: -1px;
    top: var(--space-md);
    width: 1px;
    height: 2.5rem;
    background: linear-gradient(
        180deg,
        rgba(214, 185, 120, 0.65) 0%,
        rgba(77, 212, 255, 0.35) 100%
    );
    box-shadow: 0 0 10px rgba(214, 185, 120, 0.25);
}

.about-concept__title {
    font-size: 0.8125rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    color: var(--champagne);
    margin-bottom: var(--space-xs);
}

.about-concept__text {
    font-size: 1rem;
    color: var(--text-secondary);
    line-height: 1.65;
    max-width: 22rem;
}

/* Il primo mondo */
.section--about-auto {
    padding-block: calc(var(--space-xl) * 0.78);
}

.section__backdrop--about-auto {
    background:
        radial-gradient(ellipse 70% 50% at 75% 45%, rgba(77, 212, 255, 0.08) 0%, transparent 58%),
        linear-gradient(180deg, transparent 0%, rgba(12, 20, 40, 0.25) 100%);
}

.about-auto {
    display: grid;
    gap: var(--space-lg);
    align-items: center;
}

@media (min-width: 768px) {
    .about-auto {
        grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
        gap: var(--space-xl);
    }
}

.about-auto__note {
    margin-top: var(--space-xs);
    color: rgba(246, 247, 249, 0.82);
    font-weight: 500;
}

.about-auto__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4375rem;
    margin-top: var(--space-md);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(180, 191, 208, 0.9);
    text-decoration: none;
    border-bottom: 1px solid rgba(77, 212, 255, 0.2);
    padding-bottom: 0.25rem;
    transition:
        color var(--duration-base) var(--ease-soft),
        border-color var(--duration-base) var(--ease-soft);
}

.about-auto__link:hover {
    color: var(--text-primary);
    border-color: rgba(77, 212, 255, 0.42);
}

.about-auto__link-arrow {
    transition: transform var(--duration-base) var(--ease-out);
}

.about-auto__link:hover .about-auto__link-arrow {
    transform: translateX(3px);
}

.about-auto__logo-wrap {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 7rem;
    padding: var(--space-md);
}

.about-auto__logo-glow {
    position: absolute;
    inset: 10% 15%;
    background: radial-gradient(
        ellipse 80% 70% at 50% 50%,
        rgba(91, 154, 255, 0.12) 0%,
        transparent 68%
    );
    filter: blur(24px);
    pointer-events: none;
}

.about-auto__logo {
    position: relative;
    z-index: 1;
    display: block;
    width: min(100%, 12.25rem);
    height: auto;
    object-fit: contain;
    opacity: 0.9;
    filter:
        brightness(0) invert(1) contrast(1.04)
        drop-shadow(0 0 8px rgba(180, 220, 255, 0.18))
        drop-shadow(0 0 20px rgba(77, 212, 255, 0.14));
}

@media (min-width: 768px) {
    .about-auto__logo {
        width: min(100%, 14rem);
    }
}

/* Visione istituzionale */
.section--about-vision {
    padding-block: calc(var(--space-xl) * 0.85);
    padding-bottom: calc(var(--space-xl) * 0.68);
}

.section__backdrop--about-vision {
    background:
        radial-gradient(ellipse 85% 60% at 50% 30%, rgba(123, 92, 240, 0.11) 0%, transparent 58%),
        radial-gradient(ellipse 55% 45% at 20% 75%, rgba(91, 154, 255, 0.07) 0%, transparent 55%);
    animation: aurora-drift 30s ease-in-out infinite alternate;
}

.about-vision {
    max-width: 44rem;
}

.about-vision__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.14;
    margin-bottom: var(--space-md);
    max-width: 18ch;
}

.about-vision__text {
    font-size: clamp(1.0625rem, 2.2vw, 1.125rem);
    color: var(--text-secondary);
    line-height: 1.75;
    max-width: 42rem;
}

.about-vision__text + .about-vision__text {
    margin-top: var(--space-sm);
}

/* Chiusura */
.section--about-closure {
    padding-block: calc(var(--space-lg) * 0.72);
    padding-bottom: calc(var(--space-xl) * 0.85);
}

.section__backdrop--about-closure {
    background:
        radial-gradient(ellipse 80% 55% at 50% 50%, rgba(91, 154, 255, 0.08) 0%, transparent 62%),
        linear-gradient(180deg, transparent 0%, rgba(7, 12, 24, 0.35) 100%);
}

.about-closure__beam {
    position: absolute;
    top: 50%;
    left: 50%;
    width: min(88vw, 40rem);
    height: 1px;
    transform: translate(-50%, -50%);
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(214, 185, 120, 0.12) 20%,
        rgba(91, 154, 255, 0.28) 50%,
        rgba(123, 92, 240, 0.15) 80%,
        transparent 100%
    );
    box-shadow: 0 0 20px rgba(91, 154, 255, 0.1);
    pointer-events: none;
    opacity: 0.6;
}

.about-closure {
    position: relative;
    max-width: 40rem;
    margin-inline: auto;
    text-align: center;
    padding-block: var(--space-sm);
}

.about-closure__title {
    font-size: clamp(1.875rem, 5vw, 2.75rem);
    font-weight: 700;
    line-height: 1.14;
    margin-bottom: var(--space-sm);
}

.about-closure__payoff {
    font-size: clamp(1rem, 2.2vw, 1.125rem);
    color: var(--champagne);
    letter-spacing: 0.06em;
    margin-bottom: var(--space-md);
}

.about-closure__link {
    display: inline-flex;
    align-items: center;
    gap: 0.4375rem;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    color: rgba(180, 191, 208, 0.88);
    text-decoration: none;
    border-bottom: 1px solid rgba(77, 212, 255, 0.18);
    padding: 0.375rem 0;
    transition:
        color var(--duration-base) var(--ease-soft),
        border-color var(--duration-base) var(--ease-soft);
}

.about-closure__link:hover {
    color: var(--text-primary);
    border-color: rgba(77, 212, 255, 0.38);
}

.about-closure__link-arrow {
    transition: transform var(--duration-base) var(--ease-out);
}

.about-closure__link:hover .about-closure__link-arrow {
    transform: translateX(3px);
}

/* Mobile */
@media (max-width: 768px) {
    .about-hero {
        padding-top: calc(var(--header-height) + var(--space-sm));
        padding-bottom: var(--space-md);
    }

    .about-hero__title {
        max-width: none;
    }

    .about-concept {
        padding-left: calc(var(--space-md) * 0.85);
    }

    .section--about-auto {
        padding-block: calc(var(--space-xl) * 0.58);
    }

    .about-auto {
        display: flex;
        flex-direction: column;
        gap: calc(var(--space-md) * 0.85);
    }

    .about-auto__logo-wrap {
        min-height: 4rem;
        padding-block: calc(var(--space-xs) * 0.75);
    }

    .about-auto__link {
        margin-top: calc(var(--space-sm) * 0.85);
    }

    .about-vision__title {
        max-width: none;
    }

    .about-closure__title {
        padding-inline: 0.25rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .about-hero__aurora--1,
    .about-hero__aurora--2,
    .about-hero__aurora--cyan,
    .section__backdrop--about-vision {
        animation: none;
    }
}