/* =========================================
   VARIABILI & RESET
   ========================================= */
:root {
    --primary-color: #111111;
    --secondary-color: #ffffff;
    --accent-color: #8c7a6b;
    --accent-hover: #736458;
    --text-main: #333333;
    --text-muted: #666666;
    --bg-light: #f9f9f9;
    --bg-dark: #1a1a1a;

    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    --transition-fast: all 0.3s ease;
    --transition-slow: all 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-main);
    background-color: var(--secondary-color);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    color: var(--primary-color);
    font-weight: 500;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-fast);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

.bg-dark {
    background-color: var(--bg-dark);
}

.text-center {
    text-align: center;
}

.mt-4 {
    margin-top: 24px;
}

.mt-5 {
    margin-top: 48px;
}

.w-100 {
    width: 100%;
}

/* =========================================
   TYPOGRAPHY & UTILITIES
   ========================================= */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
    letter-spacing: 1px;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.divider {
    height: 2px;
    width: 60px;
    background-color: var(--accent-color);
    margin: 0 auto 20px;
}

.divider.align-left {
    margin-left: 0;
}

.bg-white {
    background-color: var(--secondary-color);
}

.text-white h2,
.text-white p,
.text-white {
    color: var(--secondary-color);
}

/* =========================================
   BUTTONS
   ========================================= */
.btn {
    display: inline-block;
    padding: 14px 30px;
    font-family: var(--font-body);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition-fast);
    text-align: center;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--secondary-color);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--secondary-color);
    color: var(--secondary-color);
}

.btn-outline:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

.section .btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.section .btn-outline:hover {
    background-color: var(--primary-color);
    color: var(--secondary-color);
}

#contatti .btn-outline {
    border-color: var(--secondary-color);
    color: var(--secondary-color);
}

#contatti .btn-outline:hover {
    background-color: var(--secondary-color);
    color: var(--primary-color);
}

/* =========================================
   NAVBAR
   ========================================= */
#navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 25px 0;
    transition: var(--transition-fast);
    background: transparent;
}

#navbar.scrolled {
    background-color: var(--secondary-color);
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--secondary-color);
    letter-spacing: 2px;
}

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

#navbar.scrolled .logo,
#navbar.scrolled .nav-links li a {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    color: var(--secondary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 500;
    position: relative;
}

.nav-links li a:not(.btn-nav):hover {
    color: var(--accent-color);
}

.nav-links li a:not(.btn-nav)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 1px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-color);
    transition: var(--transition-fast);
}

.nav-links li a:not(.btn-nav):hover::after {
    width: 100%;
}

.btn-nav {
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 8px 20px;
    display: inline-block;
}

#navbar.scrolled .btn-nav {
    border-color: var(--primary-color);
}

.btn-nav:hover {
    background-color: var(--accent-color) !important;
    border-color: var(--accent-color) !important;
    color: white !important;
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger .bar {
    width: 25px;
    height: 2px;
    background-color: var(--secondary-color);
    margin: 6px 0;
    transition: 0.4s;
}

#navbar.scrolled .hamburger .bar {
    background-color: var(--primary-color);
}

/* =========================================
   HERO SECTION
   ========================================= */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--secondary-color);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('https://images.unsplash.com/photo-1452587925148-ce544e77e70d?auto=format&fit=crop&q=80&w=2000');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 0;
    transform: scale(1.05);
    /* per un piccolo effetto parallasse o di entrata */
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3) 0%, rgba(0, 0, 0, 0.6) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 5rem;
    color: var(--secondary-color);
    margin-bottom: 10px;
    font-style: italic;
    background: linear-gradient(135deg, #fff 0%, #ddd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content .subtitle {
    font-size: 1.2rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 25px;
    color: var(--accent-color);
    font-weight: 500;
}

.hero-content .description {
    font-size: 1.2rem;
    font-weight: 300;
    margin-bottom: 40px;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--secondary-color);
    font-size: 1.5rem;
    animation: bounce 2s infinite;
    opacity: 0.7;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    40% {
        transform: translateY(-20px) translateX(-50%);
    }

    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* Animazioni di entrata hero */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards ease-out;
}

.delay-1 {
    animation-delay: 0.3s;
}

.delay-2 {
    animation-delay: 0.6s;
}

.delay-3 {
    animation-delay: 0.9s;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   PORTFOLIO
   ========================================= */
.portfolio-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-muted);
    cursor: pointer;
    padding: 5px 10px;
    position: relative;
    transition: var(--transition-fast);
}

.filter-btn.active,
.filter-btn:hover {
    color: var(--primary-color);
}

.filter-btn::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--accent-color);
    transition: var(--transition-fast);
}

.filter-btn.active::after {
    width: 100%;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.portfolio-item {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 4/5;
    background-color: var(--bg-light);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.4);
    opacity: 0;
    transition: var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-info {
    text-align: center;
    color: var(--secondary-color);
    transform: translateY(20px);
    transition: var(--transition-slow);
}

.portfolio-info h3 {
    color: var(--secondary-color);
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 5px;
}

.portfolio-info span {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 300;
}

.portfolio-item:hover img {
    transform: scale(1.05);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
}

.portfolio-item.hide {
    display: none;
}

/* =========================================
   LIGHTBOX
   ========================================= */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.lightbox.active {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-content {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
}

.lightbox-img {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.lightbox-caption {
    position: absolute;
    bottom: -40px;
    left: 0;
    width: 100%;
    text-align: center;
    color: white;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-style: italic;
    opacity: 0.8;
}

.close-lightbox {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 40px;
    cursor: pointer;
    transition: color 0.3s;
    line-height: 1;
}

.close-lightbox:hover {
    color: var(--accent-color);
}

.prev-lightbox,
.next-lightbox {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 30px;
    cursor: pointer;
    padding: 20px;
    transition: color 0.3s;
}

.prev-lightbox:hover,
.next-lightbox:hover {
    color: var(--accent-color);
}

.prev-lightbox {
    left: 20px;
}

.next-lightbox {
    right: 20px;
}


/* =========================================
   SERVIZI
   ========================================= */
.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.service-card {
    background: var(--secondary-color);
    padding: 50px 30px;
    text-align: center;
    transition: var(--transition-slow);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
    border-color: transparent;
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.4rem;
}

.service-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   CHI SONO
   ========================================= */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    box-shadow: -20px -20px 0 0 var(--bg-light);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--accent-color);
    color: var(--secondary-color);
    padding: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
}

.experience-badge .years {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1;
    margin-bottom: 5px;
}

.experience-badge .text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.about-text .lead {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.stat h4 {
    font-size: 2rem;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.stat span {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* =========================================
   CONTATTI
   ========================================= */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 50px;
    background: var(--bg-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 50px;
}

.contact-info {
    color: var(--secondary-color);
}

.info-item {
    display: flex;
    align-items: flex-start;
    gap: 20px;
    margin-bottom: 30px;
}

.info-item i {
    font-size: 1.5rem;
    color: var(--accent-color);
    margin-top: 5px;
}

.info-item h4 {
    color: var(--secondary-color);
    margin-bottom: 5px;
    font-size: 1.1rem;
}

.info-item p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    color: var(--secondary-color);
    margin-right: 15px;
    font-size: 1.2rem;
}

.social-links a:hover {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    transform: translateY(-3px);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    color: var(--secondary-color);
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.input-group input,
.input-group select,
.input-group textarea {
    width: 100%;
    padding: 15px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--secondary-color);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    background-color: rgba(255, 255, 255, 0.1);
}

.input-group select option {
    background-color: var(--bg-dark);
    color: var(--secondary-color);
}

/* Messaggio di successo form */
.form-success {
    text-align: center;
    padding: 40px 20px;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--secondary-color);
    animation: fadeIn 0.5s ease;
}

.form-success.hidden {
    display: none;
}

.success-icon {
    font-size: 3rem;
    color: #4CAF50;
    margin-bottom: 20px;
}

.form-success h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.form-success p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 0;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* =========================================
   FOOTER
   ========================================= */
footer {
    background-color: #111111;
    color: var(--secondary-color);
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo a {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 2px;
}

.footer-social a {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.5rem;
    margin-left: 20px;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

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

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

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
    }

    .hamburger {
        display: block;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

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

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    .nav-links {
        position: fixed;
        right: -100%;
        top: 0;
        gap: 0;
        flex-direction: column;
        background-color: var(--primary-color);
        width: 100%;
        height: 100vh;
        text-align: center;
        transition: 0.3s;
        justify-content: center;
        padding: 20px;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links li {
        margin: 20px 0;
    }

    .nav-links li a {
        font-size: 1.2rem;
    }

    #navbar.scrolled .hamburger .bar {
        background-color: var(--primary-color);
    }

    #navbar.scrolled .nav-links.active .hamburger .bar,
    .nav-links.active~.hamburger .bar {
        background-color: var(--secondary-color);
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

    .hero-content .subtitle {
        font-size: 1rem;
    }

    .hero-buttons {
        flex-direction: column;
    }

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

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

    .about-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-image img {
        box-shadow: none;
    }

    .about-stats {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        padding: 30px 20px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-content,
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-social a {
        margin: 0 10px;
    }
}