/* =============================================================
   LAYOUT.CSS — Container, grid, sezioni, header, footer
   ============================================================= */

/* --- Container --- */
.container {
    width: 100%;
    max-width: var(--max-w);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

.container--narrow {
    max-width: var(--max-w-text);
    margin-inline: auto;
    padding-inline: var(--sp-6);
}

/* --- Griglie --- */
.grid {
    display: grid;
    gap: var(--sp-8);
}

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

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-auto {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

/* --- Sezioni --- */
.section {
    padding-block: var(--sp-24);
}

.section--sm {
    padding-block: var(--sp-16);
}

.section--lg {
    padding-block: var(--sp-32);
}

.section--white {
    background: var(--c-white);
}

.section--surface {
    background: var(--c-surface);
}

.section--dark {
    background: var(--c-dark);
    color: var(--c-white);
}

.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4 {
    color: var(--c-white);
}

.section--brand {
    background: var(--c-brand);
    color: var(--c-white);
}

.section--brand h1,
.section--brand h2,
.section--brand h3 {
    color: var(--c-white);
}

/* --- Intestazione sezione --- */
.section-head {
    margin-bottom: var(--sp-16);
    max-width: 100%;
}

.section-head--center {
    text-align: center;
    margin-inline: auto;
}

.section-head .eyebrow {
    margin-bottom: var(--sp-3);
}

.section-head h2 {
    margin-bottom: var(--sp-4);
}

.section-head p {
    font-size: var(--t-lg);
    color: var(--c-muted);
    line-height: 1.7;
}

/* --- NAVBAR --- */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(247, 245, 242, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--c-border-lt);
    transition: box-shadow var(--tr-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.navbar__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.navbar__logo {
    font-family: var(--f-serif);
    font-size: var(--t-xl);
    color: var(--c-brand);
    line-height: 1;
    flex-shrink: 0;
}

.navbar__logo span {
    color: var(--c-accent);
}

.navbar__nav {
    display: flex;
    align-items: center;
    gap: var(--sp-8);
}

.navbar__nav a {
    font-size: var(--t-sm);
    font-weight: 500;
    color: var(--c-text);
    padding-block: var(--sp-2);
    border-bottom: 2px solid transparent;
    transition: color var(--tr-fast), border-color var(--tr-fast);
}

.navbar__nav a:hover,
.navbar__nav a.active {
    color: var(--c-brand);
    border-bottom-color: var(--c-accent);
}

.navbar__actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3);
}

/* Hamburger */
.navbar__burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--sp-2);
    z-index: 110;
}

.navbar__burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--c-brand);
    border-radius: 2px;
    transition: transform var(--tr-base), opacity var(--tr-fast);
}

.navbar__burger.is-open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.navbar__burger.is-open span:nth-child(2) {
    opacity: 0;
}

.navbar__burger.is-open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
.nav-drawer {
    display: none;
    position: fixed;
    inset: var(--header-h) 0 0 0;
    background: var(--c-white);
    z-index: 99;
    padding: var(--sp-8) var(--sp-6);
    flex-direction: column;
    gap: var(--sp-2);
    overflow-y: auto;
    border-top: 1px solid var(--c-border-lt);
}

.nav-drawer.is-open {
    display: flex;
}

.nav-drawer a {
    font-size: var(--t-lg);
    font-weight: 500;
    color: var(--c-text);
    padding-block: var(--sp-3);
    border-bottom: 1px solid var(--c-border-lt);
}

.nav-drawer a:last-child {
    border-bottom: none;
}

/* --- HERO --- */
.hero {
    padding-block: var(--sp-24) var(--sp-20);
    position: relative;
    overflow: hidden;
    background: var(--c-white);
}

.hero--dark {
    background: var(--c-brand);
    color: var(--c-white);
}

.hero--dark h1,
.hero--dark h2 {
    color: var(--c-white);
}

.hero__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-16);
    align-items: center;
}

.hero__inner--center {
    grid-template-columns: 1fr;
    text-align: center;
    max-width: 800px;
    margin-inline: auto;
}

.hero__content {
    max-width: 600px;
}

.hero__content .eyebrow {
    margin-bottom: var(--sp-5);
}

.hero__content h1 {
    margin-bottom: var(--sp-6);
}

.hero__content .hero__lead {
    font-size: var(--t-lg);
    color: var(--c-muted);
    line-height: 1.8;
    margin-bottom: var(--sp-8);
}

.hero--dark .hero__lead {
    color: rgba(255, 255, 255, 0.75);
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: var(--sp-4);
    align-items: center;
}

.hero__visual {
    position: relative;
    border-radius: var(--r-xl);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    aspect-ratio: 4/3;
}

.hero__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* --- Sfondo decorativo hero --- */
.hero__bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    pointer-events: none;
    z-index: 0;
}

.hero__bg-blob--1 {
    width: 400px;
    height: 400px;
    top: -100px;
    right: -80px;
    background: rgba(26, 58, 92, 0.07);
}

.hero__bg-blob--2 {
    width: 300px;
    height: 300px;
    bottom: -80px;
    left: -60px;
    background: rgba(232, 97, 42, 0.06);
}

.hero__content,
.hero__visual {
    position: relative;
    z-index: 1;
}

/* --- FOOTER --- */
footer {
    background: var(--c-dark);
    color: rgba(255, 255, 255, 0.8);
    padding-block: var(--sp-20) var(--sp-8);
}

.footer__grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--sp-10);
    padding-bottom: var(--sp-12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    margin-bottom: var(--sp-8);
}

.footer__logo {
    font-family: var(--f-serif);
    font-size: var(--t-2xl);
    color: var(--c-white);
    margin-bottom: var(--sp-4);
}

.footer__logo span {
    color: var(--c-accent-lt);
}

.footer__tagline {
    font-size: var(--t-sm);
    color: rgba(255, 255, 255, 0.55);
    line-height: 1.7;
    max-width: 280px;
}

.footer__col h4 {
    font-family: var(--f-sans);
    font-weight: 600;
    font-size: var(--t-sm);
    color: var(--c-white);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: var(--sp-5);
}

.footer__col a {
    display: block;
    font-size: var(--t-sm);
    color: rgba(255, 255, 255, 0.6);
    padding-block: var(--sp-2);
    transition: color var(--tr-fast);
}

.footer__col a:hover {
    color: var(--c-white);
}

.footer__bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--sp-4);
    font-size: var(--t-xs);
    color: rgba(255, 255, 255, 0.4);
}

.footer__bottom a {
    color: rgba(255, 255, 255, 0.6);
    transition: color var(--tr-fast);
}

.footer__bottom a:hover {
    color: var(--c-white);
}

/* --- Breadcrumb --- */
.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--sp-2);
    font-size: var(--t-xs);
    color: var(--c-muted);
    padding-block: var(--sp-4);
}

.breadcrumb a {
    color: var(--c-muted);
    transition: color var(--tr-fast);
}

.breadcrumb a:hover {
    color: var(--c-brand);
}

.breadcrumb__sep {
    color: var(--c-border);
    margin-inline: var(--sp-1);
}

.breadcrumb__current {
    color: var(--c-text);
    font-weight: 500;
}

/* --- Responsive --- */
@media (max-width: 1024px) {
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {

    .navbar__nav,
    .navbar__actions .btn {
        display: none;
    }

    .navbar__burger {
        display: flex;
    }

    .hero__inner {
        grid-template-columns: 1fr;
    }

    .hero__visual {
        display: none;
    }

    .hero {
        padding-block: var(--sp-16) var(--sp-12);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }

    .section {
        padding-block: var(--sp-16);
    }

    .footer__grid {
        grid-template-columns: 1fr 1fr;
        gap: var(--sp-8);
    }
}

@media (max-width: 480px) {
    .container {
        padding-inline: var(--sp-4);
    }

    .footer__grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: var(--t-4xl);
    }

    h2 {
        font-size: var(--t-3xl);
    }
}