/**
 * Layout — Header, Footer, Container, Grid
 * Cristina Mazzitelli Interior Design Studio
 */

/* ── Container ────────────────────────────────────────────────────────────── */
.container {
    width: 100%;
    max-width: var(--content-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.container--wide {
    max-width: var(--content-wide);
}

.container--narrow {
    max-width: var(--content-narrow);
}

/* ── Section Spacing ──────────────────────────────────────────────────────── */
.section {
    padding-block: var(--space-32);
}

.section--sm {
    padding-block: var(--space-20);
}

.section--lg {
    padding-block: var(--space-40);
}

.section--champagne {
    background-color: var(--color-champagne);
}

.section--dark {
    background-color: var(--color-anthracite);
    color: var(--color-ivory);
}

.section--dark p,
.section--dark h1,
.section--dark h2,
.section--dark h3 {
    color: var(--color-ivory);
}

/* ── HEADER ───────────────────────────────────────────────────────────────── */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: var(--z-header);
    height: var(--header-height);
    background: var(--header-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--header-border);
    transition: box-shadow var(--transition-slow), background var(--transition-slow);
}

.site-header.is-scrolled {
    box-shadow: var(--shadow-sm);
}

.site-header.is-hidden {
    transform: translateY(-100%);
    transition: transform var(--transition-slow);
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding-inline: var(--gutter);
    max-width: var(--max-width);
    margin-inline: auto;
}

.header__logo img {
    width: auto;
    transition: opacity var(--transition-base);
}

.header__logo:hover img {
    opacity: 0.75;
}

/* ── Navigazione desktop ──────────────────────────────────────────────────── */
.header__nav {
    flex: 1;
    display: flex;
    justify-content: center;
}

.nav__list {
    display: flex;
    align-items: center;
    gap: var(--space-10);
    list-style: none;
}

.nav__link {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: var(--color-text-secondary);
    position: relative;
    padding-block: var(--space-2);
    transition: color var(--transition-base);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-magenta);
    transition: width var(--transition-slow);
}

.nav__link:hover,
.nav__link.active {
    color: var(--color-anthracite);
}

.nav__link:hover::after,
.nav__link.active::after {
    width: 100%;
}

/* Dropdown portfolio */
.nav__item--portfolio {
    position: relative;
}

.nav__dropdown {
    position: absolute;
    top: calc(100% + var(--space-4));
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    min-width: 180px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    padding: var(--space-3) 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--transition-base), transform var(--transition-base);
}

.nav__item--portfolio:hover .nav__dropdown,
.nav__item--portfolio:focus-within .nav__dropdown {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
    transform: translateX(-50%) translateY(0);
}

.nav__dropdown-link {
    display: block;
    padding: var(--space-3) var(--space-6);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: var(--color-text-secondary);
    transition: color var(--transition-base), background var(--transition-base);
}

.nav__dropdown-link:hover {
    color: var(--color-magenta);
    background: var(--color-champagne);
}

/* ── Header Actions ───────────────────────────────────────────────────────── */
.header__actions {
    display: flex;
    align-items: center;
    gap: var(--space-6);
}

.header__social {
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.header__social:hover {
    color: var(--color-magenta);
}

/* Burger button */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: var(--space-2);
    background: none;
    border: none;
    cursor: pointer;
}

.burger__line {
    display: block;
    width: 24px;
    height: 1.5px;
    background: var(--color-anthracite);
    transition: transform var(--transition-base), opacity var(--transition-base), width var(--transition-base);
    transform-origin: center;
}

.burger.is-open .burger__line:nth-child(1) {
    transform: translateY(6.5px) rotate(45deg);
}

.burger.is-open .burger__line:nth-child(2) {
    opacity: 0;
    width: 0;
}

.burger.is-open .burger__line:nth-child(3) {
    transform: translateY(-6.5px) rotate(-45deg);
}

/* Scroll progress */
.header__progress {
    position: absolute;
    bottom: 0;
    left: 0;
    height: 1.5px;
    background: linear-gradient(90deg, var(--color-magenta), var(--color-lavender));
    width: 0%;
    transition: width 0.1s linear;
}

/* ── MOBILE MENU ──────────────────────────────────────────────────────────── */
.mobile-menu {
    position: fixed;
    inset: 0;
    z-index: var(--z-mobile-menu);
    background: var(--color-ivory);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: var(--space-12) var(--gutter);
    opacity: 0;
    transform: translateX(100%);
    transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.mobile-menu:not([hidden]) {
    opacity: 1;
    transform: translateX(0);
}

.mobile-menu[hidden] {
    display: flex; /* Override hidden per permettere transizione */
    pointer-events: none;
}

.mobile-nav__list {
    list-style: none;
    margin-bottom: var(--space-16);
}

.mobile-nav__item {
    border-bottom: 1px solid var(--color-border-light);
}

.mobile-nav__link {
    display: block;
    font-family: var(--font-display);
    font-size: clamp(2rem, 6vw, 3rem);
    font-weight: 300;
    letter-spacing: var(--ls-tight);
    color: var(--color-anthracite);
    padding-block: var(--space-4);
    transition: color var(--transition-base), padding-left var(--transition-base);
}

.mobile-nav__link:hover {
    color: var(--color-magenta);
    padding-left: var(--space-4);
}

.mobile-nav__sub {
    list-style: none;
    padding: 0 0 var(--space-4) var(--space-6);
}

.mobile-nav__sub li a {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: var(--color-text-muted);
    display: block;
    padding-block: var(--space-2);
    transition: color var(--transition-base);
}

.mobile-nav__sub li a:hover {
    color: var(--color-magenta);
}

.mobile-menu__footer {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
}

.mobile-menu__contact {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-base);
}

.mobile-menu__contact:hover {
    color: var(--color-magenta);
}

.mobile-menu__social {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-top: var(--space-4);
    transition: color var(--transition-base);
}

.mobile-menu__social:hover {
    color: var(--color-magenta);
}

/* ── FOOTER ───────────────────────────────────────────────────────────────── */
.site-footer {
    background: var(--color-anthracite);
    color: var(--color-ivory);
    padding-top: var(--space-24);
}

.footer__inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: var(--space-12);
    max-width: var(--content-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
    padding-bottom: var(--space-16);
    border-bottom: 1px solid rgba(250,248,245,0.1);
}

.footer__logo img {
    filter: brightness(0) invert(1);
    opacity: 0.9;
    margin-bottom: var(--space-4);
    transition: opacity var(--transition-base);
}

.footer__logo:hover img {
    opacity: 1;
}

.footer__tagline {
    font-family: var(--font-display);
    font-style: italic;
    font-size: var(--text-base);
    color: rgba(250,248,245,0.5);
    margin-bottom: var(--space-6);
    line-height: var(--lh-snug);
}

.footer__accent-dots {
    display: flex;
    gap: var(--space-2);
}

.dot {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.dot--lavender { background: var(--color-lavender); }
.dot--magenta  { background: var(--color-magenta); }
.dot--lime     { background: var(--color-lime); }
.dot--aqua     { background: var(--color-aqua); }

.footer__nav-title {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    font-weight: 400;
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: rgba(250,248,245,0.4);
    margin-bottom: var(--space-6);
}

.footer__nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.footer__nav a {
    font-family: var(--font-body);
    font-size: var(--text-sm);
    color: rgba(250,248,245,0.65);
    transition: color var(--transition-base);
}

.footer__nav a:hover {
    color: var(--color-magenta);
}

.footer__contact address {
    font-style: normal;
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.footer__contact-link {
    font-size: var(--text-sm);
    color: rgba(250,248,245,0.65);
    transition: color var(--transition-base);
}

.footer__contact-link:hover {
    color: var(--color-magenta);
}

.footer__instagram {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: var(--ls-wider);
    text-transform: uppercase;
    color: rgba(250,248,245,0.4);
    transition: color var(--transition-base);
}

.footer__instagram:hover {
    color: var(--color-magenta);
}

.footer__bottom {
    background: rgba(0,0,0,0.2);
    padding-block: var(--space-6);
}

.footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--content-width);
    margin-inline: auto;
    padding-inline: var(--gutter);
}

.footer__copyright {
    font-size: var(--text-xs);
    color: rgba(250,248,245,0.3);
}

.footer__legal {
    display: flex;
    gap: var(--space-6);
    list-style: none;
}

.footer__legal a {
    font-size: var(--text-xs);
    color: rgba(250,248,245,0.3);
    letter-spacing: var(--ls-wide);
    transition: color var(--transition-base);
}

.footer__legal a:hover {
    color: rgba(250,248,245,0.7);
}

/* Credenziali professionali — prima colonna footer */
.footer__creds {
    list-style: none;
    margin-top: var(--space-8);
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    padding-top: var(--space-5);
    border-top: 1px solid rgba(250,248,245,0.1);
}

.footer__creds li {
    font-family: var(--font-display);
    font-style: italic;
    font-size: 0.8rem;
    line-height: 1.6;
    color: rgba(250,248,245,0.45);
    letter-spacing: 0.01em;
}

.footer__creds em {
    font-style: normal;
    color: rgba(250,248,245,0.65);
    font-weight: 500;
}

/* ── CURSORE CUSTOM ───────────────────────────────────────────────────────── */
.cursor {
    position: fixed;
    top: 0;
    left: 0;
    z-index: var(--z-cursor);
    pointer-events: none;
    will-change: transform;
}

.cursor__dot {
    width: 40px;
    height: 40px;
    border: 1px solid var(--color-magenta);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-base), height var(--transition-base),
                border-color var(--transition-base), opacity var(--transition-base),
                background var(--transition-base);
    opacity: 0;
}

.cursor--visible .cursor__dot {
    opacity: 0.6;
}

.cursor--hover .cursor__dot {
    width: 56px;
    height: 56px;
    border-color: var(--color-lavender);
    background: var(--color-lavender-alpha);
    opacity: 0.8;
}

.cursor--click .cursor__dot {
    width: 28px;
    height: 28px;
    background: var(--color-magenta-alpha);
    opacity: 1;
}

/* ── RESPONSIVE ───────────────────────────────────────────────────────────── */
@media (max-width: 1100px) {
    .nav__list {
        gap: var(--space-8);
    }
}

@media (max-width: 900px) {
    .header__nav {
        display: none;
    }
    .header__social {
        display: none;
    }
    .burger {
        display: flex;
    }
    .cursor {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: var(--header-height-sm);
        --gutter: var(--gutter-sm);
    }

    .section {
        padding-block: var(--space-20);
    }

    .footer__inner {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-10);
    }

    .footer__brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 480px) {
    .footer__inner {
        grid-template-columns: 1fr;
    }

    .footer__bottom-inner {
        flex-direction: column;
        gap: var(--space-3);
        text-align: center;
    }
}