/* ============================================
   CRAFTFLOW.BE - CSS Optimisé Production
   Automatisation • Conception • Création
   ============================================ */

/* --- VARIABLES & RESET --- */
:root {
    --primary: #FF6B35;
    --secondary: #004E89;
    --accent: #F7C59F;
    --bg: #1A1A2E;
    --text: #ffffff;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --font-main: 'Outfit', sans-serif;
    --font-tech: 'Space Grotesk', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    position: relative;
    background: linear-gradient(180deg,
        #1A1A2E 0%,           /* Couleur originale - Hero */
        #181A28 15%,          /* Légèrement plus foncé - fin Hero */
        #151722 25%,          /* Section À propos */
        #13151E 35%,          /* Section Services */
        #11131A 45%,          /* Section Portfolio */
        #0F1116 55%,          /* Section Témoignages */
        #0D0E13 65%,          /* Section Blog */
        #0B0C10 75%,          /* Section Contact */
        #09090D 85%,          /* Début Footer */
        #060708 100%          /* Footer - Presque noir */
    );
    min-height: 100vh;
    color: var(--text);
    font-family: var(--font-main);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* --- TYPOGRAPHY --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-tech);
    line-height: 1.2;
    font-weight: 700;
}

h1 { font-size: clamp(3rem, 8vw, 6rem); }
h2 { font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: 2rem; color: var(--accent); }
h3 { font-size: 1.5rem; color: var(--primary); margin-bottom: 1rem; }

.highlight { color: var(--primary); }

p { margin-bottom: 1rem; }

/* --- LAYOUT UTILS --- */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    position: relative;
    z-index: 2;
}

/* --- NAVIGATION --- */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent;
}

nav.scrolled {
    background: rgba(26, 26, 46, 0.95);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    font-family: var(--font-tech);
    font-size: 1.5rem;
    font-weight: 700;
    text-decoration: none;
    color: var(--text);
    transition: transform 0.3s ease;
    display: flex;
    align-items: center;
}

.logo:hover {
    transform: scale(1.05);
}

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

.logo-img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

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

footer .logo-img {
    height: 35px;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a:hover {
    color: var(--primary);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

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

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text);
    border-radius: 3px;
    transition: all 0.3s ease;
}

/* --- 3D BACKGROUND CANVAS --- */
#canvas-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

#canvas-container canvas {
    display: block;
}

/* --- LOADER --- */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader-content {
    text-align: center;
    color: var(--text);
}

/* --- BUTTONS --- */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border: 2px solid var(--primary);
    background: transparent;
    color: var(--text);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    background: var(--primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 25px rgba(255, 107, 53, 0.3);
}

.btn-filled {
    background: var(--primary);
}

.btn-filled:hover {
    background: transparent;
    transform: translateY(-3px);
}

/* --- HERO SECTION --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    text-align: center;
    padding-top: 4rem;
}

.hero-content {
    max-width: 900px;
}

.hero-subtitle {
    font-family: var(--font-tech);
    font-size: 0.9rem;
    letter-spacing: 0.2rem;
    color: var(--accent);
    margin-bottom: 1rem;
    font-weight: 500;
}

.hero h1 {
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.85);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
}

.scroll-hint {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0.6;
}

/* --- ABOUT SECTION --- */
#apropos {
    background: transparent;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.about-grid {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 4rem;
    align-items: start;
}

.about-photo {
    width: 100%;
    height: 400px;
    position: relative;
    border-radius: 16px;
    overflow: visible;
    background: transparent;
}

.profile-photo {
    width: 100%;
    height: 100%;
    object-fit: contain;
    object-position: center bottom;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.4));
}

.photo-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: var(--accent);
    font-family: var(--font-tech);
    background: linear-gradient(145deg, rgba(255, 107, 53, 0.1) 0%, rgba(0, 78, 137, 0.1) 100%);
    border: 2px dashed var(--primary);
    border-radius: 16px;
}

.about-photo.placeholder-visible .photo-placeholder {
    display: flex;
}

.photo-placeholder span:first-child {
    font-size: 1.2rem;
    font-weight: 600;
}

.placeholder-size {
    font-size: 0.8rem;
    opacity: 0.7;
}

.about-content {
    display: flex;
    flex-direction: column;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.stat-card {
    background: var(--glass);
    padding: 2rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 107, 53, 0.1);
    border-color: var(--primary);
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    font-family: var(--font-tech);
    display: block;
    margin-bottom: 0.5rem;
}

/* --- SERVICES SECTION --- */
#services {
    background: transparent;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--glass-border);
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--secondary);
    transition: background 0.4s ease;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--primary);
}

.service-card:hover::before {
    background: var(--primary);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent);
    display: block;
}

.service-list {
    list-style: none;
    margin-top: 1.5rem;
}

.service-list li {
    margin-bottom: 0.7rem;
    padding-left: 1.5rem;
    position: relative;
    font-size: 0.95rem;
    color: #ddd;
}

.service-list li::before {
    content: '▹';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

/* --- PORTFOLIO SECTION --- */
#portfolio {
    background: transparent;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 3rem;
}

.portfolio-card {
    background: var(--glass);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: all 0.4s ease;
    cursor: pointer;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--primary);
}

.portfolio-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.portfolio-card:hover .portfolio-image {
    transform: scale(1.1);
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.portfolio-tag {
    background: rgba(255, 107, 53, 0.2);
    color: var(--primary);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    border: 1px solid rgba(255, 107, 53, 0.3);
}

/* Project cards (nouvelle structure) */
.project-card {
    position: relative;
    background: var(--glass);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: all 0.4s ease;
    cursor: pointer;
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
    border-color: var(--primary);
}

.project-img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    transition: transform 0.4s ease;
    display: block;
}

.project-card:hover .project-img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.8) 70%, transparent 100%);
    padding: 2rem;
    transform: translateY(0);
    transition: all 0.4s ease;
}

.project-overlay h3 {
    color: white;
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

.project-tag {
    display: block;
    color: var(--accent);
    font-size: 0.85rem;
    margin-bottom: 0.8rem;
}

.project-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: transform 0.3s ease;
}

.project-link:hover {
    transform: translateX(5px);
}

/* --- TESTIMONIALS SECTION --- */
#temoignages {
    text-align: center;
    padding: 6rem 0;
    overflow: hidden;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.testimonials-carousel {
    max-width: 100%;
    margin: 4rem auto 0;
    position: relative;
    overflow: hidden;
    padding: 15px 0;
}

.testimonials-track {
    display: flex;
    gap: 2rem;
    animation: scroll 30s linear infinite;
    width: fit-content;
}

.testimonials-track:hover {
    animation-play-state: paused;
}

@keyframes scroll {
    0% {
        transform: translateX(0);
    }
    100% {
        transform: translateX(-50%);
    }
}

.testimonial-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0.02) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 2rem;
    min-width: 350px;
    max-width: 350px;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.testimonial-stars {
    color: var(--primary);
    font-size: 1rem;
    letter-spacing: 3px;
}

.testimonial-text {
    font-size: 0.95rem;
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    font-style: italic;
    flex-grow: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--glass-border);
}

.author-avatar {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    color: white;
    border: 2px solid var(--glass-border);
    flex-shrink: 0;
}

.author-details {
    text-align: left;
    flex-grow: 1;
}

.author-name {
    color: white;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.2rem;
}

.author-position {
    color: var(--accent);
    font-size: 0.75rem;
}

/* --- BLOG SECTION --- */
#blog {
    background: transparent;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: var(--glass);
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--glass-border);
    transition: all 0.3s ease;
}

.blog-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.blog-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    color: var(--accent);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
    display: block;
}

.blog-content h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
}

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

.blog-link {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    margin-top: 1rem;
    display: inline-block;
    transition: transform 0.3s ease;
}

.blog-link:hover {
    transform: translateX(5px);
}

/* --- CONTACT SECTION --- */
#contact {
    background: transparent;
    transform-style: preserve-3d;
    perspective: 1000px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-info {
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 2.5rem;
    backdrop-filter: blur(10px);
}

.contact-info h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-info-item:last-of-type {
    border-bottom: none;
    margin-bottom: 0;
    padding-bottom: 0;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.info-label {
    font-size: 0.85rem;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.info-value {
    color: white;
    font-size: 1.1rem;
    font-weight: 500;
    text-decoration: none;
    transition: color 0.3s ease;
}

.info-value:hover {
    color: var(--primary);
}

.contact-form {
    background: linear-gradient(145deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.75rem;
    color: white;
    font-weight: 500;
    font-size: 0.95rem;
}

.form-input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text);
    font-family: var(--font-main);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%23FF6B35' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 3rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
    line-height: 1.6;
}

.contact-form .btn {
    width: 100%;
    margin-top: 1rem;
    padding: 1.25rem;
    font-size: 1.05rem;
    font-weight: 600;
}

/* --- FOOTER --- */
footer {
    background: transparent;
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--glass-border);
    position: relative;
    z-index: 2;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-brand {
    grid-column: 1;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-links h4 {
    color: var(--primary);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-links ul {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
    font-size: 0.95rem;
}

.footer-links a:hover {
    color: var(--primary);
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.social-links a {
    width: 45px;
    height: 45px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.2rem;
}

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

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    text-align: center;
}

/* --- RESPONSIVE DESIGN --- */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .about-photo {
        max-width: 250px;
        height: 320px;
        margin: 0 auto;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    section {
        padding: 4rem 0;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1.5rem;
    }

    .hamburger {
        display: block;
    }

    .nav-links {
        position: fixed;
        top: 70px;
        right: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(26, 26, 46, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: right 0.4s ease;
        gap: 2.5rem;
    }

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

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

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

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

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

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

    /* Testimonials responsive */
    .testimonial-card {
        min-width: 280px;
        max-width: 280px;
        padding: 1.5rem;
    }

    .testimonial-text {
        font-size: 0.9rem;
    }

    .author-avatar {
        width: 40px;
        height: 40px;
        font-size: 0.9rem;
    }

    .author-name {
        font-size: 0.85rem;
    }

    .author-position {
        font-size: 0.7rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer-brand {
        margin-bottom: 1rem;
    }

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    section {
        padding: 3rem 0;
    }
}

/* --- GSAP ANIMATION CLASSES --- */
/* Masquer les éléments avant l'animation pour éviter le flash */
.gs-reveal,
.gs-reveal-left,
.gs-reveal-right,
.gs-up,
.gs-scale {
    opacity: 1;
    visibility: visible;
}

/* Une fois que le loader est parti, on rend les éléments visibles pour GSAP */
body.loaded .gs-reveal,
body.loaded .gs-reveal-left,
body.loaded .gs-reveal-right,
body.loaded .gs-up,
body.loaded .gs-scale {
    visibility: visible;
    opacity: 1;
}

/* Classe pour les sections avec effet 3D depth */
.section-3d {
    will-change: transform, opacity;
    transform-style: preserve-3d;
}

/* --- UTILITIES --- */
.text-center { text-align: center; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }

/* --- ACCESSIBILITY --- */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* --- PRINT STYLES --- */
@media print {
    #canvas-container,
    nav,
    .hero-buttons,
    .scroll-hint,
    footer {
        display: none;
    }
}