:root {
    --dark: #141414ff;
    --light: #fffdedff;
    --primary: #999;
    --accent: rgb(255, 0, 0);
    --font1: 'jost', sans-serif;
    --font2: 'Inconsolata', sans-serif;
    --spacing-xs: 10px;
    --spacing-sm: 15px;
    --spacing-md: 25px;
    --spacing-lg: 60px;
}

/* reset */
* {
    margin: 0 auto;
    padding: 0;
    box-sizing: border-box;
}

a {
    text-decoration: none;
    color: var(--dark);
}

body {
    font-family: var(--font2);
    background-color: var(--light);
    color: var(--dark);
}

html {
    scroll-behavior: smooth;
}

h1 {
    font-weight: 800;
    font-size: 32px;
}

h2 {
    font-size: 18px;
    padding-bottom: var(--spacing-md);
}

h3 {
    font-weight: 300;
    font-size: 13px;
}

h1,
h2,
h3 {
    font-family: var(--font1);
    color: var(--dark);
}

p {
    font-family: var(--font2);
    font-size: 14px;
    line-height: 1.2;
    color: var(--dark);
}

/* Container */
.container {
    max-width: 1440px;
    margin: 0 auto;
    min-height: 100vh;
}

/* Header*/
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
    z-index: 100;
    padding: var(--spacing-sm);
    box-shadow: 0 0 1px rgba(0, 0, 0, 0.15);
}

.logo {
    width: 80px;
}

.logo img {
    width: 50%;
    height: auto;
}

/* Hamburger Menu */
.hamburger {
    display: flex;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 5px;
    transition: all 0.3s ease;
    z-index: 10001;
    position: fixed;
    top: 15px;
    left: 15px;
    backdrop-filter: blur(4px)
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    margin: 3px 0;
    transition: 0.3s;
}

.hamburger.active span {
    background-color: var(--light);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Menu mobile */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 300px;
    height: 100vh;
    background: var(--dark);
    z-index: 9999;
    padding: var(--spacing-sm);
    transform: translateX(-100%);
    transition: transform 0.3s ease;
    display: flex;
    flex-direction: column;
}

.mobile-menu.active {
    transform: translateX(0);
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.1);
}

.nav-menu {
    margin-top: var(--spacing-sm);
    list-style: none;
    flex: 1;
}

.nav-menu li {
    font-size: 18px;
    padding: var(--spacing-xs);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    color: var(--light);
    cursor: pointer;
    font-weight: 300;
}

.nav-menu li:hover {
    color: var(--light);
}

.nav-menu a {
    text-decoration: none;
    color: var(--light);
}

.nav-menu a:hover {
    color: var(--light);
}

body.menu-open {
    overflow: hidden;
}

.social {
    display: flex;
    gap: 15px;
}

.social a {
    font-size: 18px;
    transition: color 0.3s ease;
}

.social a:hover {
    color: var(--accent);
}

.portfolio-links {
    display: flex;
    gap: 20px;
}

.portfolio-links a {
    font-size: 15px;
    font-weight: 300;
    transition: color 0.3s ease;
}

.portfolio-links a:hover {
    color: var(--accent);
}

/* Menu footer */
.menu-footer {
    margin-top: auto;
    padding: 20px 0;
    border-top: 1px solid var(--light);
}

.menu-social {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.menu-social a {
    font-size: 20px;
    transition: color 0.3s ease;
    color: var(--light);
    color: var(--light);
}

.menu-social a:hover {
    color: #000;
}

.filter-container {
    display: flex;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    align-items: center;
    padding: var(--spacing-xs);
    gap: var(--spacing-sm);
}

.filter-btn {
    border: 1px solid var(--dark);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
    background: transparent;
    color: var(--dark);
}

.filter-btn.active {
    background: #333;
    color: var(--light);
    border-color: #333;
}

.grid-item.hidden {
    display: none;
}

.grid-container {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(7, 50px);
    gap: var(--spacing-sm);
    padding: 20px;
    max-width: 1400px;
    margin: 0 auto;
}

.grid-item {
    border-radius: 4px;
    overflow: visible;
    cursor: pointer;
    transition: all 0.3s ease;
    transform: scale(0.8);
    animation: gridItemFadeIn 0.6s ease-out forwards;
    position: relative;
}

@keyframes gridItemFadeIn {
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.item-1,
.item-2,
.item-3,
.item-4,
.item-5,
.item-6,
.item-7 {
    animation-delay: 0.3s;
}

.grid-item img {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    object-fit: cover;
    transition: all 0.3s ease;
    filter: blur(1.5px);
}

.grid-item:hover img {
    transform: scale(1.1);
    filter: brightness(1.1) blur(0);
}

.grid-item:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    z-index: 10;
}

/* z-tour */
.item-1 {
    grid-column: 1 / 4;
    grid-row: 4 / 8;
}

/* fuorifase */
.item-2 {
    grid-column: 2 / 5;
    grid-row: 1 / 5;
}

/* lego */
.item-5 {
    grid-column: 9 / 12;
    grid-row: 1 / 5;
}

/* me */
.item-3 {
    grid-column: 4 / 10;
    grid-row: 1 / 5;
    z-index: 10;
}

/* layr*/
.item-4 {
    grid-column: 4 / 7;
    grid-row: 4 / 7;
}

/* arredo*/
.item-6 {
    grid-column: 7 / 11;
    grid-row: 4 / 8;
}

/* keramos */
.item-7 {
    grid-column: 11 / 13;
    grid-row: 4 / 8;
}

.tooltip {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--dark);
    padding: 15px;
    border-radius: 4px;
    font-size: 12px;
    line-height: 1.4;
    text-align: left;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 1000;
    pointer-events: none;
    transform: translateY(-10px);
    margin-top: 5px;
}

.grid-item:hover .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.item-7 .tooltip,
.item-6 .tooltip,
.item-4 .tooltip,
.item-1 .tooltip {
    top: auto;
    bottom: 100%;
    margin-top: 0;
    margin-bottom: 5px;
    transform: translateY(10px);
}

.item-7:hover .tooltip,
.item-6:hover .tooltip,
.item-4:hover .tooltip,
.item-1:hover .tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.tooltip h4 {
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--dark);
    color: var(--light);
    margin-bottom: 8px;
    padding-bottom: 5px;
    text-align: left;
    font-family: var(--font1);
}

.tooltip p {
    font-size: 12px;
    text-align: left;
    color: var(--light);
}

/* Footer */
.page-footer {
    position: relative;
    padding: 10px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    display: flex;
    margin-top: var(--spacing-md);
    justify-content: space-between;
    align-items: center;
    width: 100%;
    z-index: 999;
}

.portfolio-links {
    gap: var(--spacing-lg);
}

/* -------------------------------------------------------------------------------- */
/* ! progetti */
/* -------------------------------------------------------------------------------- */

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    grid-template-rows: repeat(7, 50px);
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
}

.container-progetti h1 {
    margin-left: var(--spacing-md);
}

.grid img {
    width: 100%;
    height: 100%;
    border-radius: 4px;
    object-fit: cover;
}


.grid-item-1 {
    grid-column: 1 / 4;
    grid-row: 4 / 8;
}

.text-item-2 {
    grid-column: 1 / 4;
    grid-row: 1;
}

.grid-item-3 {
    grid-column: 4 / 7;
    grid-row: 2 / 6;
}

.grid-item-4 {
    grid-column: 7/ 9;
    grid-row: 1 / 6;
}

.text-item-5 {
    grid-column: 4 / 7;
    grid-row: 6 / 7;
}

.grid-item-6 {
    grid-column: 9 / 11;
    grid-row: 4 / 8;
}

.text-item-7 {
    grid-column: 9 / 12;
    grid-row: 1 / 8;
}

.grid-item-8 {
    grid-column: 11 / 13;
    grid-row: 3 / 8;
}

/* -------------------------------------------------------------------------------- */
/* ! fine progetti */
/* -------------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------------- */
/* ! about*/
/* -------------------------------------------------------------------------------- */
.container-profilo {
    display: grid;
    width: 90%;
    padding: 20px;
    overflow: hidden;
    grid-template-columns: repeat(8, 1fr);
    position: relative;
    gap: 30px;
    margin-bottom: 120px;
    z-index: 10;
}

.image-section {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    grid-template-rows: repeat(2, 50px);
    grid-column: 1/4;
}

.image-section img {
    width: 100%;
    border-radius: 7px;
    object-fit: cover;
}

.profile-image {
    grid-column: 1/4;
    z-index: 999;
}

.firenze-image {
    grid-column: 4/6;
    grid-row: 3;
}

.firenze-image img {
    height: 250px;
}

.content-section {
    display: flex;
    justify-content: center;
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    flex-direction: column;
    align-items: center;
    position: relative;
    grid-column: 5/8;
}

.highlight {
    font-weight: 700;
}

/* -------------------------------------------------------------------------------- */
/* ! contatti */
/* -------------------------------------------------------------------------------- */

.container-contatti {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.title {
    margin-top: var(--spacing-sm);
    font-size: 20px;
    font-style: italic;
    display: flex;
    justify-content: center;
}

.contatti {
    display: flex;
    flex-direction: row;
    gap: var(--spacing-lg);
    align-items: center;
    justify-content: center;
}

.contact-info {
    grid-column: 2;
    padding: var(--spacing-md);
}

.info-label {
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 5px;
    color: #666;
}

.info-value {
    font-size: 14px;
    color: #333;
    font-weight: 500;
}

.form-container {
    margin-top: 40px;
}

.form-group {
    margin-bottom: 25px;
}

.form-label {
    display: block;
    font-size: 12px;
    text-transform: uppercase;
    margin-bottom: 8px;
    color: #666;
    letter-spacing: 1px;
}

.required {
    color: #666;
}

.form-input {
    width: 100%;
    padding: 12px 15px;
    border: 2px solid #ddd;
    background: transparent;
    font-size: 14px;
    font-family: inherit;
    transition: border-color 0.3s ease;
    border-radius: 4px;
}

.form-input:focus {
    outline: none;
    border-color: #333;
}

.form-textarea {
    height: 120px;
    resize: vertical;
}

.form-textarea::placeholder {
    color: #999;
    font-style: italic;
}

.submit-btn {
    width: 100%;
    background: #333;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 16px;
    font-style: italic;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    margin: 30px 0;
}

.submit-btn:hover {
    background: #555;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.submit-btn:active {
    transform: translateY(0);
}

.checkbox-container {
    margin-top: var(--spacing-md);
    font-size: 12px;
    text-align: center;
    line-height: 1.4;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.checkbox {
    width: 16px;
    height: 16px;
    cursor: pointer;
}

.checkbox-container a {
    color: #333;
    text-decoration: underline;
}

.checkbox-container a:hover {
    color: #666;
}

.success-message {
    background: #d4edda;
    color: #155724;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
    text-align: center;
    display: none;
    border: 1px solid #c3e6cb;
}

.error-message {
    background: #f8d7da;
    color: #721c24;
    padding: 15px;
    border-radius: 4px;
    margin: 20px 0;
    text-align: center;
    display: none;
    border: 1px solid #f5c6cb;
}



@media (max-width: 1024px) {
    p {
        font-size: 12px;
    }
}

@media (max-width: 768px) {
    .header {
        padding: var(--spacing-xs);
    }

    .mobile-menu {
        width: 100%;
    }

    .filter-buttons {
        gap: var(--spacing-xs);
    }

    .filter-btn {
        font-size: 14px;
        padding: 6px 12px;
    }

    .grid-container {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(9, 40px);
        gap: var(--spacing-xs);
        padding: 10px;
    }

    .item-1 {
        grid-column: 1 / 3;
        grid-row: 8 / 12;
    }

    .item-2 {
        grid-column: 1 / 4;
        grid-row: 1 / 4;
    }

    .item-3 {
        grid-column: 2 / 6;
        grid-row: 2 / 6;
    }

    .item-4 {
        grid-column: 3 / 5;
        grid-row: 6 / 9;
    }

    .item-5 {
        grid-column: 4 / 7;
        grid-row: 1 / 4;
    }

    .item-6 {
        grid-column: 5 / 7;
        grid-row: 6 / 10;
    }

    .item-7 {
        grid-column: 1 / 3;
        grid-row: 5 / 8;
    }

    .page-footer {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .portfolio-links {
        display: flex;
        flex-direction: column-reverse;
        gap: var(--spacing-xs);
    }

    /* -------------------------------------------------------------------------------- */
    /* ! progetti */
    /* -------------------------------------------------------------------------------- */
    .grid {
        grid-template-columns: repeat(6, 1fr);
        grid-template-rows: repeat(9, 50px);
        gap: var(--spacing-xs, 8px);
        padding: var(--spacing-sm, 16px);
    }

    .container-progetti h1 {
        margin-left: var(--spacing-sm);
    }

    p {
        font-size: 12px;
    }

    .grid-item-1 {
        grid-column: 1 / 4;
        grid-row: 3 / 7;
    }

    .text-item-2 {
        grid-column: 1 / 4;
        grid-row: 1 / 2;
    }

    .grid-item-3 {
        grid-column: 4/ 7;
        grid-row: 1 / 5;
    }

    .grid-item-4 {
        grid-column: 6;
        grid-row: 7 / 10;
    }

    .text-item-5 {
        grid-column: 4 / 7;
        grid-row: 5/6;
    }

    .grid-item-6 {
        grid-column: 4 / 6;
        grid-row: 7 / 10;
    }

    .text-item-7 {
        grid-column: 1/ 4;
        grid-row: 7 / 10;
    }

    .grid-item-8 {
        display: none;
    }

    /* -------------------------------------------------------------------------------- */
    /* ! about */
    /* -------------------------------------------------------------------------------- */
    .container-profilo {
        width: 100%;
        padding: 15px;
        gap: 30px;
        margin-bottom: 60px;
    }

    .image-section {
        grid-template-columns: repeat(3, 1fr);
        grid-template-rows: repeat(4, 50px);
        max-width: 350px;
    }

    .profile-image {
        grid-column: 1/3;
        grid-row: 1/3;
    }

    .profile-image img {
        height: 250px;
    }

    .firenze-image {
        grid-column: 2/4;
        grid-row: 4;
    }

    .firenze-image img {
        height: 200px;
    }

    .content-section {
        grid-column: 4/8;
        padding: var(--spacing-sm);
    }

    .content-section p {
        font-size: 0.95rem;
        line-height: 1.5;
        margin-bottom: 1.2rem;
    }

    .social {
        gap: var(--spacing-sm);
        margin: var(--spacing-sm);
    }

    .social a {
        font-size: 1.3rem;
    }

    /* -------------------------------------------------------------------------------- */
    /* ! contatti */
    /* -------------------------------------------------------------------------------- */
    .container {
        padding: 40px 20px;
    }

    .contact-info {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    .info-item {
        min-width: auto;
    }

    .title {
        font-size: 20px;
    }

    .submit-btn.loading {
        position: relative;
        color: transparent;
    }

    .submit-btn.loading::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 20px;
        height: 20px;
        border: 2px solid transparent;
        border-top: 2px solid white;
        border-radius: 50%;
        animation: spin 1s linear infinite;
    }

    @keyframes spin {
        0% {
            transform: translate(-50%, -50%) rotate(0deg);
        }

        100% {
            transform: translate(-50%, -50%) rotate(360deg);
        }
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 5px;
    }

    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 14px;
        padding-bottom: var(--spacing-sm);
    }

    p {
        font-size: 13px;
    }

    .header {
        padding: 10px;
    }

    .logo {
        width: 60px;
    }

    .hamburger {
        padding: 8px;
        top: 10px;
        left: 10px;
    }

    .hamburger span {
        width: 22px;
        height: 2.5px;
        margin: 2.5px 0;
    }

    .mobile-menu {
        padding: 15px;
    }

    .nav-menu {
        margin-top: 15px;
    }

    .nav-menu li {
        font-size: 16px;
        padding: 12px 8px;
    }

    .filter-buttons {
        padding: 8px;
        gap: 8px;
    }

    .filter-btn {
        font-size: 12px;
        padding: 5px 10px;
        border-radius: 15px;
    }

    .grid-container {
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: repeat(10, 30px);
        gap: 6px;
        padding: 6px;
    }

    .item-1 {
        grid-column: 1 / 3;
        grid-row: 4 / 8;
    }

    .item-2 {
        grid-column: 1 / 4;
        grid-row: 1 / 4;
    }

    .item-3 {
        grid-column: 2 / 5;
        grid-row: 5 / 8;
    }

    .item-4 {
        grid-column: 4 / 6;
        grid-row: 7 / 11;
    }

    .item-5 {
        grid-column: 1 / 4;
        grid-row: 8 / 11;
    }

    .item-6 {
        grid-column: 3 / 6;
        grid-row: 2 / 5;
    }

    .item-7 {
        grid-column: 4 / 6;
        grid-row: 5 / 8;
    }

    .grid-item:hover {
        transform: scale(1.02);
    }

    .tooltip {
        display: none;
    }

    .page-footer {
        flex-direction: column;
        gap: var(--spacing-xs);
    }

    .social {
        gap: 8px;
    }

    .social a {
        font-size: 14px;
    }

    .portfolio-links {
        display: flex;
        flex-direction: column-reverse;
    }

    .portfolio-links a {
        font-size: 12px;
    }

    .menu-social a {
        font-size: 18px;
    }

    /* -------------------------------------------------------------------------------- */
    /* ! progetti */
    /* -------------------------------------------------------------------------------- */
    .grid {
        grid-template-columns: repeat(2, 1fr);
        grid-template-rows: repeat(8, auto);
        gap: var(--spacing-xs, 8px);
        padding: var(--spacing-xs, 8px);
    }

    .container-progetti h1 {
        margin-left: var(--spacing-xs, 8px);
        font-size: 1.5rem;
    }

    p {
        font-size: 11px;
        line-height: 1.3;
    }

    .text-item-2 {
        grid-column: 1 / 3;
        grid-row: 1;
        padding: var(--spacing-xs, 8px);
        text-align: center;
        min-height: 40px;
    }

    .grid-item-1 {
        grid-column: 1;
        grid-row: 2;
        min-height: 120px;
    }

    .grid-item-3 {
        grid-column: 2;
        grid-row: 2;
        min-height: 120px;
    }

    .text-item-5 {
        grid-column: 1 / 3;
        grid-row: 3;
        padding: var(--spacing-xs, 8px);
        text-align: center;
        min-height: 40px;
    }

    .grid-item-6 {
        grid-column: 1;
        grid-row: 4;
        min-height: 120px;
    }

    .grid-item-4 {
        grid-column: 2;
        grid-row: 4;
        min-height: 120px;
    }

    .text-item-7 {
        grid-column: 1 / 3;
        grid-row: 5;
        padding: var(--spacing-xs, 8px);
        text-align: center;
        min-height: 60px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .grid-item-8 {
        display: none;
    }

    .text-item-2,
    .text-item-5,
    .text-item-7 {
        font-size: 11px;
        line-height: 1.4;
    }

    /* -------------------------------------------------------------------------------- */
    /* ! about */
    /* -------------------------------------------------------------------------------- */
    .container-profilo {
        padding: 10px;
        gap: 25px;
        margin-bottom: 40px;
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: repeat(2, 1fr);
    }

    .image-section {
        grid-template-columns: repeat(5, 1fr);
        grid-template-rows: repeat(3, 100px);
        gap: 10px;
        grid-column: 1/6;
        grid-row: 1;
    }

    .profile-image {
        grid-column: 1/4;
        grid-row: 1/3;
    }

    .profile-image img {
        height: 240px;
    }

    .firenze-image {
        grid-column: 2/6;
        grid-row: 2/4;
    }

    .firenze-image img {
        height: 250px;
    }

    .content-section {
        grid-column: 1/6;
        grid-row: 2;
        padding: 15px 10px;
        gap: 15px;
    }

    .content-section p {
        font-size: 0.9rem;
        line-height: 1.4;
        margin-bottom: 1rem;
    }

    .social-contatti {
        display: none;
    }

    .social a {
        font-size: 1.2rem;
    }

    .portfolio-links a {
        font-size: 0.9rem;
    }

    /* -------------------------------------------------------------------------------- */
    /* ! contatti */
    /* -------------------------------------------------------------------------------- */
    .container-contatti {
        display: flex;
        padding: 15px 10px;
        gap: 20px;
    }

    .title {
        font-size: 15px;
        margin-bottom: 20px;
    }

    .contact-info {
        padding: 15px 10px;
        background: transparent;
        border: 1px solid #eee;
        border-radius: 6px;
    }

    .contatti {
        gap: 12px;
        display: flex;
        flex-direction: column;
    }

    .info-label {
        font-size: 10px;
    }

    .info-value {
        font-size: 13px;
        margin-bottom: 10px;
    }

    .form-group {
        margin-bottom: 18px;
    }

    .form-label {
        font-size: 10px;
        margin-bottom: 5px;
    }

    .form-input {
        padding: 8px 10px;
        font-size: 13px;
        border-width: 1px;
    }

    .form-textarea {
        height: 80px;
        min-height: 60px;
    }

    .submit-btn {
        padding: 10px 20px;
        font-size: 14px;
        margin: 20px 0;
    }

    .checkbox-container {
        font-size: 10px;
        gap: 6px;
        margin-top: 12px;
        align-items: flex-start;
    }

    .checkbox {
        width: 12px;
        height: 12px;
    }

    .success-message,
    .error-message {
        padding: 12px;
        font-size: 12px;
        margin: 15px 0;
    }

}