/* ═══════════════════════════════════════════════════════════════════════════
   Alessandra Vizzari — Portfolio Theme
   Palette: #0f0f0f (nero) | #ffffff (bianco) | scale di grigio
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─── Reset & Base ──────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --black:       #0f0f0f;
    --white:       #ffffff;
    --grey-100:    #f5f5f5;
    --grey-200:    #e8e8e8;
    --grey-300:    #d0d0d0;
    --grey-400:    #a0a0a0;
    --grey-500:    #6b6b6b;
    --grey-600:    #444444;

    --font:        'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --header-h:    68px;
    --max-w:       1320px;
    --narrow-w:    720px;
}

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--white);
    color: var(--black);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img { display: block; width: 100%; height: auto; }
a   { color: inherit; text-decoration: none; }

/* ─── Tipografia ────────────────────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.1; font-weight: 700; letter-spacing: -0.02em; }
p { color: var(--grey-600); line-height: 1.75; }

/* ─── Container ─────────────────────────────────────────────────────────── */
.container {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 40px;
}
.container--wide   { max-width: 100%; padding: 0; }
.container--narrow { max-width: var(--narrow-w); margin: 0 auto; padding: 0 40px; }

/* ═══════════════════════════════════════════════════════════════════════════
   HEADER
   ═══════════════════════════════════════════════════════════════════════════ */
.site-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    height: var(--header-h);
    background: rgba(255,255,255,0);
    transition: background 0.3s ease, border-color 0.3s ease;
    border-bottom: 1px solid transparent;
}
.site-header.scrolled {
    background: rgba(255,255,255,0.96);
    border-bottom-color: var(--grey-200);
    backdrop-filter: blur(8px);
}

.header-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 40px;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.site-logo {
    font-size: 15px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: var(--black);
}
.site-logo:hover { opacity: 0.6; }

.site-nav { display: flex; align-items: center; gap: 40px; }
.site-nav a {
    font-size: 14px;
    font-weight: 400;
    color: var(--grey-500);
    transition: color 0.2s;
    letter-spacing: 0.01em;
}
.site-nav a:hover,
.site-nav a.active { color: var(--black); }

/* Menu mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.nav-toggle span {
    display: block;
    width: 22px; height: 1.5px;
    background: var(--black);
    transition: transform 0.3s, opacity 0.3s;
}

/* ═══════════════════════════════════════════════════════════════════════════
   HERO — Homepage
   ═══════════════════════════════════════════════════════════════════════════ */
.hero {
    min-height: 100svh;
    display: flex;
    align-items: flex-end;
    padding-top: var(--header-h);
    padding-bottom: 80px;
}

.hero-name {
    font-size: clamp(56px, 9vw, 130px);
    font-weight: 800;
    color: var(--black);
    letter-spacing: -0.04em;
    line-height: 0.95;
    margin-bottom: 28px;
}

.hero-role {
    font-size: clamp(18px, 2.5vw, 28px);
    font-weight: 300;
    color: var(--grey-500);
    letter-spacing: 0;
    margin-bottom: 16px;
}

.hero-claim {
    font-size: clamp(14px, 1.5vw, 18px);
    color: var(--grey-400);
    font-style: italic;
    max-width: 520px;
    line-height: 1.65;
}

/* ═══════════════════════════════════════════════════════════════════════════
   FEATURED PROJECTS — Homepage
   ═══════════════════════════════════════════════════════════════════════════ */
.featured-projects { padding: 80px 0 120px; }

.section-header {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    margin-bottom: 48px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--grey-200);
}
.section-label { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey-400); }
.section-link  { font-size: 13px; color: var(--grey-500); transition: color 0.2s; }
.section-link:hover { color: var(--black); }

/* Griglia asimmetrica */
.featured-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: auto;
    gap: 24px;
}

.featured-card                             { grid-column: span 4; }
.featured-card:nth-child(1)                { grid-column: span 7; }
.featured-card:nth-child(2)                { grid-column: span 5; }
.featured-card:nth-child(3)                { grid-column: span 5; }
.featured-card:nth-child(4)                { grid-column: span 7; }
.featured-card:nth-child(5),
.featured-card:nth-child(6)                { grid-column: span 6; }

.featured-card { display: block; cursor: pointer; }

.featured-card__image {
    overflow: hidden;
    background: var(--grey-100);
    aspect-ratio: 4/3;
}
.featured-card:first-child .featured-card__image { aspect-ratio: 16/9; }

.featured-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.55s cubic-bezier(0.25,0.46,0.45,0.94); }
.featured-card:hover .featured-card__image img { transform: scale(1.04); }

.featured-card__info { padding: 16px 0 0; }
.project-category    { font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey-400); display: block; margin-bottom: 6px; }
.project-title       { font-size: 17px; font-weight: 600; color: var(--black); transition: opacity 0.2s; }
.featured-card:hover .project-title { opacity: 0.5; }

/* ═══════════════════════════════════════════════════════════════════════════
   PAGE HERO (Work, Services, ecc.)
   ═══════════════════════════════════════════════════════════════════════════ */
.page-hero {
    padding-top: calc(var(--header-h) + 80px);
    padding-bottom: 40px;
}
.page-title { font-size: clamp(40px, 7vw, 90px); font-weight: 800; letter-spacing: -0.04em; }

/* ═══════════════════════════════════════════════════════════════════════════
   WORK — Filtri + Griglia
   ═══════════════════════════════════════════════════════════════════════════ */
.work-section { padding-bottom: 120px; }

.work-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 56px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--grey-200);
}

.filter-btn {
    background: none;
    border: 1px solid var(--grey-300);
    color: var(--grey-500);
    font-family: var(--font);
    font-size: 13px;
    padding: 7px 18px;
    cursor: pointer;
    border-radius: 100px;
    transition: all 0.2s;
}
.filter-btn:hover      { border-color: var(--black); color: var(--black); }
.filter-btn.active     { background: var(--black); border-color: var(--black); color: var(--white); }

.work-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px 24px;
}

.work-card { display: block; cursor: pointer; }
.work-card__image {
    overflow: hidden;
    background: var(--grey-100);
    aspect-ratio: 4/3;
    margin-bottom: 16px;
}
.work-card__image img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s cubic-bezier(0.25,0.46,0.45,0.94); }
.work-card:hover .work-card__image img { transform: scale(1.04); }
.work-card__title    { font-size: 16px; font-weight: 600; margin-bottom: 6px; transition: opacity 0.2s; }
.work-card:hover .work-card__title { opacity: 0.5; }
.work-card__meta     { display: flex; justify-content: space-between; align-items: center; }
.work-card__category { font-size: 11px; font-weight: 500; letter-spacing: 0.1em; text-transform: uppercase; color: var(--grey-400); }
.work-card__year     { font-size: 12px; color: var(--grey-400); }

/* Hidden card state (filter) */
.work-card[hidden], .work-card.is-hidden { display: none; }

/* ═══════════════════════════════════════════════════════════════════════════
   SINGOLO PROGETTO
   ═══════════════════════════════════════════════════════════════════════════ */
.back-nav {
    padding-top: calc(var(--header-h) + 32px);
    padding-bottom: 32px;
}
.back-link { font-size: 13px; color: var(--grey-500); transition: color 0.2s; }
.back-link:hover { color: var(--black); }

.project-hero { padding-bottom: 56px; }
.project-meta-top { display: flex; gap: 16px; align-items: center; margin-bottom: 20px; }
.project-meta-category { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey-400); }
.project-meta-year     { font-size: 12px; color: var(--grey-400); }

.project-name { font-size: clamp(36px, 5vw, 72px); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 24px; }
.project-description { font-size: 18px; color: var(--grey-500); max-width: 600px; line-height: 1.7; }

.project-main-image { margin-bottom: 64px; }
.project-img-full { width: 100%; height: auto; display: block; }

.project-content { padding: 0 0 64px; }
.project-content p { margin-bottom: 20px; font-size: 17px; color: var(--grey-600); }

.project-gallery { padding-bottom: 80px; }
.gallery-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.gallery-grid img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }

.project-nav { border-top: 1px solid var(--grey-200); padding: 40px 0; }
.project-nav .container { display: flex; justify-content: space-between; }
.project-nav__item { display: flex; flex-direction: column; gap: 6px; }
.project-nav__item--next { text-align: right; }
.project-nav__label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--grey-400); }
.project-nav__title { font-size: 16px; font-weight: 600; color: var(--black); transition: opacity 0.2s; }
.project-nav__item:hover .project-nav__title { opacity: 0.5; }

/* ═══════════════════════════════════════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════════════════════════════════════ */
.about-section { padding-top: calc(var(--header-h) + 60px); padding-bottom: 120px; }

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: start;
}

.about-photo img {
    width: 100%;
    aspect-ratio: 4/5;
    object-fit: cover;
    background: var(--grey-100);
}

.about-name { font-size: clamp(36px, 4vw, 60px); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 32px; }

.about-text p  { font-size: 17px; margin-bottom: 20px; color: var(--grey-600); }
.about-text h2 { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey-400); margin: 48px 0 20px; padding-top: 40px; border-top: 1px solid var(--grey-200); }
.about-text strong { color: var(--black); font-weight: 600; }

.about-education { margin-top: 56px; padding-top: 40px; border-top: 1px solid var(--grey-200); }
.about-section-title { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey-400); margin-bottom: 24px; }

.education-list { display: flex; flex-direction: column; gap: 24px; }
.education-item { display: grid; grid-template-columns: 100px 1fr; gap: 16px; }
.education-year { font-size: 13px; color: var(--grey-400); padding-top: 2px; }
.education-info { display: flex; flex-direction: column; gap: 4px; }
.education-info strong { font-size: 15px; font-weight: 600; color: var(--black); }
.education-info span  { font-size: 14px; color: var(--grey-500); }

/* ═══════════════════════════════════════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════════════════════════════════════ */
.services-section { padding-bottom: 120px; }

.services-list { display: flex; flex-direction: column; }

.service-item {
    display: grid;
    grid-template-columns: 64px 1fr;
    gap: 40px;
    padding: 48px 0;
    border-bottom: 1px solid var(--grey-200);
    align-items: start;
}
.service-item:first-child { border-top: 1px solid var(--grey-200); }

.service-number { font-size: 12px; color: var(--grey-400); font-weight: 500; padding-top: 6px; letter-spacing: 0.05em; }
.service-title  { font-size: clamp(22px, 3vw, 36px); font-weight: 700; letter-spacing: -0.03em; margin-bottom: 16px; }
.service-desc   { font-size: 16px; color: var(--grey-500); max-width: 560px; line-height: 1.75; }

/* ═══════════════════════════════════════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════════════════════════════════════ */
.contact-section { padding-top: calc(var(--header-h) + 80px); padding-bottom: 120px; }

.contact-heading { font-size: clamp(48px, 8vw, 110px); font-weight: 800; letter-spacing: -0.04em; margin-bottom: 80px; color: var(--black); }

.contact-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }

.contact-item { margin-bottom: 40px; }
.contact-label { display: block; font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey-400); margin-bottom: 8px; }
.contact-value { font-size: 20px; font-weight: 500; color: var(--black); display: block; }
.contact-link  { transition: opacity 0.2s; }
.contact-link:hover { opacity: 0.5; }

.contact-social-title { font-size: 11px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase; color: var(--grey-400); margin-bottom: 24px; }
.contact-social-links { display: flex; flex-direction: column; gap: 16px; }
.contact-social-link  { font-size: 18px; font-weight: 500; color: var(--black); border-bottom: 1px solid var(--grey-200); padding-bottom: 16px; transition: opacity 0.2s; }
.contact-social-link:hover { opacity: 0.5; }

/* Servizi editabili dall'editor */
.services-from-editor h2 {
    font-size: clamp(22px, 3vw, 36px);
    font-weight: 700;
    letter-spacing: -0.03em;
    margin: 56px 0 16px;
    padding-top: 48px;
    border-top: 1px solid var(--grey-200);
    color: var(--black);
}
.services-from-editor h2:first-child { margin-top: 0; padding-top: 0; border-top: none; }
.services-from-editor p  { font-size: 16px; color: var(--grey-500); max-width: 560px; line-height: 1.75; margin-bottom: 0; }

/* ═══════════════════════════════════════════════════════════════════════════
   GENERIC CONTENT
   ═══════════════════════════════════════════════════════════════════════════ */
.generic-content { padding-bottom: 80px; }
.generic-content article { margin-bottom: 40px; }
.generic-content h2 { font-size: 22px; margin-bottom: 10px; }
.generic-content h2 a { color: var(--black); }
.generic-content h2 a:hover { opacity: 0.5; }

/* ═══════════════════════════════════════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════════════════════════════════════ */
.site-footer { border-top: 1px solid var(--grey-200); padding: 40px 0; }

.footer-inner {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-social { display: flex; gap: 20px; }
.social-icon { color: var(--grey-400); transition: color 0.2s; line-height: 0; }
.social-icon:hover { color: var(--black); }
.social-icon svg { display: block; }

.footer-copy { font-size: 12px; color: var(--grey-400); }

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .featured-grid { grid-template-columns: repeat(2, 1fr); }
    .featured-card,
    .featured-card:nth-child(n) { grid-column: span 1; }
    .featured-card:first-child  { grid-column: span 2; }
    .work-grid { grid-template-columns: repeat(2, 1fr); }
    .about-layout { gap: 48px; }
}

@media (max-width: 768px) {
    .container, .container--narrow { padding: 0 24px; }

    .nav-toggle { display: flex; }
    .site-nav {
        display: none;
        flex-direction: column;
        position: fixed;
        inset: var(--header-h) 0 0 0;
        background: var(--white);
        padding: 40px 24px;
        gap: 0;
        align-items: flex-start;
        border-top: 1px solid var(--grey-200);
        z-index: 99;
        overflow-y: auto;
    }
    .site-nav.is-open { display: flex; }
    .site-nav a { font-size: 24px; font-weight: 600; color: var(--black); padding: 16px 0; border-bottom: 1px solid var(--grey-100); width: 100%; }

    .hero { align-items: flex-end; min-height: 90svh; }

    .featured-grid { grid-template-columns: 1fr; }
    .featured-card,
    .featured-card:nth-child(n) { grid-column: span 1; }

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

    .about-layout { grid-template-columns: 1fr; gap: 40px; }
    .about-photo img { aspect-ratio: 3/4; }

    .contact-layout { grid-template-columns: 1fr; gap: 48px; }

    .service-item { grid-template-columns: 40px 1fr; gap: 20px; }

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

    .footer-inner { flex-direction: column; gap: 20px; text-align: center; }
    .footer-social { justify-content: center; }
}

@media (max-width: 480px) {
    .work-filters { gap: 6px; }
    .filter-btn { font-size: 12px; padding: 6px 14px; }
    .project-nav .container { flex-direction: column; gap: 24px; }
}