/* ========================================
   Mattia - Artist Portfolio
   Color palette from Illustrator design
   ======================================== */

:root {
    --cream:       #DDD0C4;
    --cream-light: #EBE2D8;
    --cream-pale:  #F2ECE5;
    --brown-dark:  #4A3F35;
    --brown-mid:   #6B5D50;
    --brown-light: #8A7B6C;
    --brown-btn:   #5A4E42;
    --accent:      #C9A96E;
    --white:       #FAF7F3;
    --shadow:      rgba(74, 63, 53, 0.12);

    --font-display: 'Baloo 2', cursive;
    --font-body:    'Inter', sans-serif;

    --nav-height: 70px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--nav-height);
}

body {
    font-family: var(--font-body);
    background: var(--cream-pale);
    color: var(--brown-dark);
    line-height: 1.6;
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { cursor: pointer; font-family: inherit; }

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ========================================
   Navigation
   ======================================== */
.main-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--nav-height);
    z-index: 1000;
    background: rgba(242, 236, 229, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(74, 63, 53, 0.08);
    transition: background 0.3s, box-shadow 0.3s;
}

.main-nav.scrolled {
    background: rgba(242, 236, 229, 0.95);
    box-shadow: 0 2px 20px var(--shadow);
}

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--brown-dark);
    letter-spacing: -0.02em;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2.5rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 400;
    color: var(--brown-mid);
    transition: color 0.25s;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--brown-dark);
    border-radius: 1px;
    transition: width 0.3s ease;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--brown-dark);
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

/* Language Selector */
.lang-selector {
    display: flex;
    gap: 0.25rem;
    margin-left: 1.5rem;
}

.lang-flag {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 26px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--brown-light);
    background: transparent;
    border: 1.5px solid rgba(74, 63, 53, 0.15);
    border-radius: 6px;
    transition: all 0.25s;
}

.lang-flag:hover {
    color: var(--brown-dark);
    border-color: var(--brown-mid);
    background: rgba(74, 63, 53, 0.05);
}

.lang-flag.active {
    color: var(--cream-pale);
    background: var(--brown-dark);
    border-color: var(--brown-dark);
}

/* Mobile toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    padding: 4px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--brown-dark);
    border-radius: 2px;
    transition: transform 0.3s, opacity 0.3s;
}

/* ========================================
   Hero / Header
   ======================================== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding-top: var(--nav-height);
    position: relative;
    overflow: hidden;
}

.hero-banner {
    width: 100%;
    max-width: 1280px;
    height: 320px;
    background: var(--cream);
    border-radius: 20px;
    margin: 2rem auto;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flower {
    position: absolute;
    opacity: 0.9;
}

.flower-1 {
    width: 260px;
    left: -30px;
    top: -20px;
}

.flower-2 {
    width: 220px;
    left: 180px;
    bottom: -40px;
}

.flower-3 {
    width: 300px;
    right: -40px;
    top: -30px;
}

.flower-4 {
    width: 240px;
    right: 160px;
    bottom: -50px;
}

.hero-content {
    text-align: center;
    padding: 3rem 2rem;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-display);
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 800;
    color: var(--brown-dark);
    line-height: 1.1;
    margin-bottom: 0.5rem;
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--brown-mid);
    font-weight: 300;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.hero-cta {
    display: inline-block;
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--cream-pale);
    background: var(--brown-dark);
    padding: 0.85rem 2.5rem;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
}

.hero-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(74, 63, 53, 0.25);
    background: var(--brown-mid);
}

/* ========================================
   Portfolio Section
   ======================================== */
.portfolio {
    padding: 6rem 0;
}

.section-title {
    font-family: var(--font-display);
    font-size: 2.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 2.5rem;
    color: var(--brown-dark);
}

/* Category Filter Buttons */
.category-filters {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
}

.cat-btn {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 600;
    padding: 0.6rem 1.5rem;
    border: none;
    border-radius: 10px;
    background: var(--cream);
    color: var(--brown-mid);
    transition: all 0.3s ease;
}

.cat-btn:hover {
    background: var(--brown-light);
    color: var(--cream-pale);
    transform: translateY(-1px);
}

.cat-btn.active {
    background: var(--brown-btn);
    color: var(--cream-light);
    box-shadow: 0 4px 12px rgba(74, 63, 53, 0.2);
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    border-radius: 16px;
    overflow: hidden;
    background: var(--cream-light);
    cursor: pointer;
    transition: transform 0.35s ease, box-shadow 0.35s ease, opacity 0.4s ease;
    position: relative;
}

.gallery-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 12px 35px var(--shadow);
}

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

.item-placeholder {
    aspect-ratio: 4 / 3;
    background: var(--cream);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--brown-light);
    transition: background 0.3s;
}

.gallery-item:hover .item-placeholder {
    background: var(--cream-light);
}

.placeholder-icon {
    width: 60px;
    height: 60px;
    opacity: 0.5;
}

.item-info {
    padding: 1rem 1.25rem;
}

.item-category {
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--brown-light);
}

.item-info h3 {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 0.25rem;
    color: var(--brown-dark);
}

/* ========================================
   About Section
   ======================================== */
.about {
    padding: 6rem 0;
    background: var(--cream-light);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-image-placeholder {
    aspect-ratio: 1;
    max-width: 400px;
    background: var(--cream);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
}

.flower-about {
    width: 200px;
    height: 200px;
    position: static;
}

.about-text .section-title {
    text-align: left;
}

.about-text p {
    font-size: 1.05rem;
    color: var(--brown-mid);
    margin-bottom: 1.25rem;
    line-height: 1.75;
}

.about-text strong {
    color: var(--brown-dark);
    font-weight: 500;
}

.about-stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(74, 63, 53, 0.1);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--brown-dark);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--brown-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ========================================
   Contact Section
   ======================================== */
.contact {
    padding: 6rem 0;
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--brown-mid);
    margin-top: -1.5rem;
    margin-bottom: 3rem;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form {
    background: var(--cream-light);
    border-radius: 20px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--brown-mid);
    margin-bottom: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1.5px solid rgba(74, 63, 53, 0.15);
    border-radius: 10px;
    background: var(--cream-pale);
    color: var(--brown-dark);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: border-color 0.25s, box-shadow 0.25s;
    outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--brown-mid);
    box-shadow: 0 0 0 3px rgba(74, 63, 53, 0.08);
}

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

.btn-submit {
    font-family: var(--font-display);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--cream-pale);
    background: var(--brown-dark);
    border: none;
    padding: 0.85rem 2.5rem;
    border-radius: 50px;
    transition: transform 0.3s, box-shadow 0.3s, background 0.3s;
    width: 100%;
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 63, 53, 0.2);
    background: var(--brown-mid);
}

.contact-card {
    background: var(--cream-light);
    border-radius: 20px;
    padding: 2.5rem;
}

.contact-card h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--brown-dark);
}

.social-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.social-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1rem;
    color: var(--brown-mid);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    transition: background 0.25s, color 0.25s;
}

.social-link:hover {
    background: var(--cream);
    color: var(--brown-dark);
}

.social-link svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* ========================================
   Footer
   ======================================== */
.footer {
    background: var(--brown-dark);
    color: var(--cream);
    padding: 2rem 0;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
}

.footer p {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ========================================
   Lightbox
   ======================================== */
.lightbox {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(74, 63, 53, 0.92);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.35s ease;
}

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

.lightbox-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    color: var(--cream);
    background: none;
    border: none;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.2s;
}

.lightbox-close:hover {
    background: rgba(255,255,255,0.1);
}

.lightbox-content {
    max-width: 80vw;
    max-height: 80vh;
    text-align: center;
}

.lightbox-image {
    width: 600px;
    height: 450px;
    background: var(--cream);
    border-radius: 12px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-category {
    font-family: var(--font-display);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--cream);
    opacity: 0.7;
}

.lightbox-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    color: var(--cream);
    margin-top: 0.25rem;
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-item {
    animation: fadeInUp 0.5s ease backwards;
}

.gallery-item:nth-child(1)  { animation-delay: 0.05s; }
.gallery-item:nth-child(2)  { animation-delay: 0.10s; }
.gallery-item:nth-child(3)  { animation-delay: 0.15s; }
.gallery-item:nth-child(4)  { animation-delay: 0.20s; }
.gallery-item:nth-child(5)  { animation-delay: 0.25s; }
.gallery-item:nth-child(6)  { animation-delay: 0.30s; }
.gallery-item:nth-child(7)  { animation-delay: 0.35s; }
.gallery-item:nth-child(8)  { animation-delay: 0.40s; }
.gallery-item:nth-child(9)  { animation-delay: 0.45s; }
.gallery-item:nth-child(10) { animation-delay: 0.50s; }
.gallery-item:nth-child(11) { animation-delay: 0.55s; }
.gallery-item:nth-child(12) { animation-delay: 0.60s; }

/* ========================================
   Responsive
   ======================================== */
@media (max-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-text .section-title {
        text-align: center;
    }

    .about-image-placeholder {
        max-width: 300px;
    }

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

@media (max-width: 768px) {
    .lang-selector {
        margin-right: 1rem;
    }

    .nav-toggle {
        display: flex;
        order: -1;
    }

    .nav-logo {
        order: 0;
    }

    .lang-selector {
        order: 1;
        margin-left: auto;
    }

    .nav-links {
        position: fixed;
        top: var(--nav-height);
        left: 0;
        width: 100%;
        flex-direction: column;
        background: rgba(242, 236, 229, 0.98);
        backdrop-filter: blur(12px);
        padding: 1.5rem 2rem;
        gap: 1rem;
        transform: translateY(-100%);
        opacity: 0;
        pointer-events: none;
        transition: transform 0.35s ease, opacity 0.35s ease;
        border-bottom: 1px solid rgba(74, 63, 53, 0.1);
    }

    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: auto;
    }

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

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

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

    .hero-banner {
        height: 200px;
        margin: 1rem;
        border-radius: 14px;
    }

    .flower-1 { width: 150px; }
    .flower-2 { width: 130px; left: 80px; }
    .flower-3 { width: 170px; }
    .flower-4 { width: 140px; right: 60px; }

    .hero-title {
        font-size: 2.8rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        gap: 1rem;
    }

    .about-stats {
        gap: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }

    .footer-inner {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .category-filters {
        gap: 0.5rem;
    }

    .cat-btn {
        font-size: 0.85rem;
        padding: 0.5rem 1rem;
    }

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

    .hero-banner {
        height: 160px;
    }
}