/* ==========================================================================
   M3DC — Luxury & Contemporary Design System
   Direction : Raffinement haute couture, matériaux nobles, excellence artisanale
   Palette   : #0D0D0D, #141210, #1C1917, #C9A84C (or mat), #D4B96A, #A68B3A
   Fonts     : Playfair Display (display), Cormorant Garamond (subtitres), Inter (body)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,500;1,600;1,700&family=Cormorant+Garamond:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500&family=Inter:wght@300;400;500;600;700&display=swap');

/* --- CSS Variables --- */
:root {
    --lux-black: #0D0D0D;
    --lux-dark: #141210;
    --lux-dark-warm: #1C1917;
    --lux-dark-card: #1A1714;
    --lux-gold: #C9A84C;
    --lux-gold-light: #D4B96A;
    --lux-gold-dark: #A68B3A;
    --lux-gold-pale: #E8D5A0;
    --lux-cream: #F5F0E8;
    --lux-white: #FAFAF8;
    --lux-text: rgba(250, 250, 248, 0.85);
    --lux-text-muted: rgba(250, 250, 248, 0.55);
    --lux-text-dim: rgba(250, 250, 248, 0.35);
    --lux-border: rgba(201, 168, 76, 0.12);
    --lux-border-subtle: rgba(255, 255, 255, 0.06);
    --lux-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
    --lux-shadow-gold: 0 4px 24px rgba(201, 168, 76, 0.15);
    --lux-radius: 2px;
    --lux-transition: cubic-bezier(0.16, 1, 0.3, 1);
    --font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --font-accent: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.m3dc-page {
    font-family: var(--font-body);
    font-weight: 400;
    line-height: 1.75;
    color: var(--lux-text);
    background: var(--lux-black);
    letter-spacing: 0.01em;
    overflow-x: hidden;
}

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

a {
    color: var(--lux-text);
    text-decoration: none;
    transition: color 0.4s var(--lux-transition);
}
a:hover { color: var(--lux-gold); }

::selection {
    background: var(--lux-gold);
    color: var(--lux-black);
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.15;
    color: var(--lux-white);
    letter-spacing: -0.02em;
}

/* Gold accent text */
.gold {
    color: var(--lux-gold) !important;
    font-style: italic;
}

/* Decorative line */
.m3dc-section h2::after,
.m3dc-gallery h2::after,
.m3dc-cta-banner h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lux-gold), transparent);
    margin: 20px auto 0;
}

/* --- Header --- */
.m3dc-header {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 1000;
    background: rgba(13, 13, 13, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    transition: all 0.5s var(--lux-transition);
    border-bottom: 1px solid rgba(201, 168, 76, 0.05);
}
.m3dc-header.scrolled {
    background: rgba(13, 13, 13, 0.95);
    border-bottom-color: rgba(201, 168, 76, 0.1);
    box-shadow: 0 1px 30px rgba(0, 0, 0, 0.5);
}

.m3dc-header-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 90px;
    transition: height 0.4s var(--lux-transition);
}
.m3dc-header.scrolled .m3dc-header-inner { height: 72px; }

.m3dc-logo img {
    max-height: 48px;
    width: auto;
    transition: all 0.4s var(--lux-transition);
    filter: brightness(1.1);
}
.m3dc-header.scrolled .m3dc-logo img { max-height: 40px; }

/* Navigation */
.m3dc-nav ul {
    display: flex;
    list-style: none;
    gap: 0;
    align-items: center;
}
.m3dc-nav ul li a {
    display: block;
    padding: 8px 18px;
    color: var(--lux-text-muted);
    font-family: var(--font-body);
    font-size: 11.5px;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: all 0.4s var(--lux-transition);
    position: relative;
}
.m3dc-nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--lux-gold);
    transition: all 0.4s var(--lux-transition);
    transform: translateX(-50%);
}
.m3dc-nav ul li a:hover,
.m3dc-nav ul li.active a {
    color: var(--lux-white);
}
.m3dc-nav ul li a:hover::after,
.m3dc-nav ul li.active a::after {
    width: 100%;
}

/* CTA button in nav */
.m3dc-nav ul li.m3dc-nav-cta a {
    background: transparent;
    border: 1px solid var(--lux-gold);
    color: var(--lux-gold) !important;
    border-radius: 0;
    padding: 10px 24px;
    font-weight: 600;
    letter-spacing: 2.5px;
    font-size: 10.5px;
}
.m3dc-nav ul li.m3dc-nav-cta a::after { display: none; }
.m3dc-nav ul li.m3dc-nav-cta a:hover {
    background: var(--lux-gold);
    color: var(--lux-black) !important;
}

/* Mobile menu toggle */
.m3dc-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: 1001;
}
.m3dc-menu-toggle span {
    display: block;
    width: 28px;
    height: 1px;
    background: var(--lux-gold);
    margin: 7px 0;
    transition: all 0.4s var(--lux-transition);
}
.m3dc-menu-toggle.open span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.m3dc-menu-toggle.open span:nth-child(2) { opacity: 0; }
.m3dc-menu-toggle.open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* --- Hero Section --- */
.m3dc-hero {
    position: relative;
    min-height: 65vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 140px 40px 100px;
    background-color: var(--lux-black);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.m3dc-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        180deg,
        rgba(13, 13, 13, 0.85) 0%,
        rgba(13, 13, 13, 0.6) 40%,
        rgba(13, 13, 13, 0.75) 100%
    );
    z-index: 1;
}
.m3dc-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 120px;
    background: linear-gradient(to top, var(--lux-dark), transparent);
    z-index: 1;
}

.m3dc-hero-content {
    position: relative;
    z-index: 2;
    max-width: 900px;
}
.m3dc-hero h1 {
    font-family: var(--font-display);
    font-size: clamp(36px, 5vw, 56px);
    font-weight: 700;
    color: var(--lux-white);
    margin-bottom: 20px;
    letter-spacing: -0.03em;
    line-height: 1.1;
}
.m3dc-hero .m3dc-subtitle {
    font-family: var(--font-accent);
    font-size: clamp(18px, 2.5vw, 24px);
    font-weight: 300;
    color: var(--lux-text-muted);
    line-height: 1.5;
    letter-spacing: 0.05em;
}
.m3dc-hero .m3dc-subtitle .gold {
    color: var(--lux-gold);
    font-weight: 400;
}

/* Hero decorative elements */
.m3dc-hero-content::before {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--lux-gold);
    margin: 0 auto 32px;
}
.m3dc-hero-content::after {
    content: '';
    display: block;
    width: 40px;
    height: 1px;
    background: var(--lux-gold);
    margin: 32px auto 0;
}

/* --- Breadcrumb --- */
.m3dc-breadcrumb {
    padding: 20px 40px;
    background: var(--lux-dark);
    font-size: 11px;
    color: var(--lux-text-dim);
    letter-spacing: 1.5px;
    text-transform: uppercase;
    border-bottom: 1px solid var(--lux-border-subtle);
}
.m3dc-breadcrumb-inner {
    max-width: 1400px;
    margin: 0 auto;
}
.m3dc-breadcrumb a { color: var(--lux-text-muted); }
.m3dc-breadcrumb a:hover { color: var(--lux-gold); }
.m3dc-breadcrumb span { margin: 0 12px; color: var(--lux-gold); font-size: 10px; }

/* --- Content Sections --- */
.m3dc-section {
    padding: 100px 40px;
    background: var(--lux-dark);
    position: relative;
}
.m3dc-section-inner {
    max-width: 1100px;
    margin: 0 auto;
}
.m3dc-section.alt {
    background: var(--lux-black);
}

.m3dc-section h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.5vw, 40px);
    margin-bottom: 32px;
    text-align: center;
    color: var(--lux-white);
    font-weight: 600;
}
.m3dc-section h2 .gold { color: var(--lux-gold); font-style: italic; }

.m3dc-section h3 {
    font-family: var(--font-display);
    font-size: 22px;
    margin-bottom: 16px;
    color: var(--lux-white);
    font-weight: 600;
}
.m3dc-section p {
    margin-bottom: 16px;
    font-size: 15px;
    color: var(--lux-text-muted);
    line-height: 1.8;
}

/* Content intro */
.m3dc-intro {
    font-family: var(--font-accent);
    font-size: clamp(18px, 2vw, 22px);
    line-height: 1.8;
    color: var(--lux-text);
    max-width: 800px;
    margin: 0 auto 56px;
    text-align: center;
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* --- Cards Grid --- */
.m3dc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 28px;
    margin-top: 40px;
}

.m3dc-card {
    background: var(--lux-dark-card);
    border-radius: var(--lux-radius);
    padding: 40px 36px;
    border: 1px solid var(--lux-border);
    transition: all 0.5s var(--lux-transition);
    position: relative;
    overflow: hidden;
}
.m3dc-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--lux-gold), transparent);
    opacity: 0;
    transition: opacity 0.5s var(--lux-transition);
}
.m3dc-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--lux-shadow);
    border-color: rgba(201, 168, 76, 0.2);
}
.m3dc-card:hover::before { opacity: 1; }

.m3dc-card h3 {
    font-family: var(--font-display);
    font-size: 20px;
    margin-bottom: 14px;
    color: var(--lux-white);
    font-weight: 600;
}
.m3dc-card p {
    font-size: 14px;
    color: var(--lux-text-muted);
    line-height: 1.75;
}

/* --- Features List --- */
.m3dc-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin: 40px 0;
}
.m3dc-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--lux-dark-card);
    border-radius: var(--lux-radius);
    border-left: 1px solid var(--lux-gold);
    transition: all 0.4s var(--lux-transition);
}
.m3dc-feature-item:hover {
    background: rgba(201, 168, 76, 0.05);
    transform: translateX(4px);
}
.m3dc-feature-item .icon {
    color: var(--lux-gold);
    font-size: 12px;
    flex-shrink: 0;
    margin-top: 4px;
}
.m3dc-feature-item p {
    margin: 0;
    font-size: 14px;
    font-weight: 500;
    color: var(--lux-text);
    letter-spacing: 0.02em;
}

/* --- Photo Gallery --- */
.m3dc-gallery {
    padding: 100px 40px;
    background: var(--lux-black);
}
.m3dc-gallery-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.m3dc-gallery h2 {
    font-family: var(--font-display);
    font-size: clamp(28px, 3.5vw, 40px);
    font-weight: 600;
    color: var(--lux-white);
    text-align: center;
    margin-bottom: 56px;
}
.m3dc-gallery h2 .gold { color: var(--lux-gold); font-style: italic; }

.m3dc-gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 6px;
}
.m3dc-gallery-item {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
}
.m3dc-gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s var(--lux-transition), filter 0.8s var(--lux-transition);
    filter: brightness(0.85) contrast(1.05);
}
.m3dc-gallery-item:hover img {
    transform: scale(1.08);
    filter: brightness(1) contrast(1.1);
}
.m3dc-gallery-item::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(
        0deg,
        rgba(13, 13, 13, 0.7) 0%,
        rgba(13, 13, 13, 0) 40%,
        rgba(13, 13, 13, 0.1) 100%
    );
    opacity: 0;
    transition: opacity 0.5s var(--lux-transition);
}
.m3dc-gallery-item:hover::after { opacity: 1; }

.m3dc-gallery-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    z-index: 2;
    transform: translateY(10px);
    opacity: 0;
    transition: all 0.5s var(--lux-transition);
}
.m3dc-gallery-item:hover .m3dc-gallery-caption {
    transform: translateY(0);
    opacity: 1;
}
.m3dc-gallery-caption p {
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 500;
    color: var(--lux-white);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin: 0;
}

/* Lightbox */
.m3dc-lightbox {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 10000;
    background: rgba(0, 0, 0, 0.97);
    align-items: center;
    justify-content: center;
    padding: 60px;
    backdrop-filter: blur(10px);
}
.m3dc-lightbox.open { display: flex; }
.m3dc-lightbox img {
    max-width: 88vw;
    max-height: 85vh;
    object-fit: contain;
}
.m3dc-lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    background: none;
    border: none;
    color: var(--lux-text-muted);
    font-size: 28px;
    cursor: pointer;
    padding: 8px;
    line-height: 1;
    transition: color 0.3s;
    font-weight: 300;
}
.m3dc-lightbox-close:hover { color: var(--lux-gold); }
.m3dc-lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--lux-text-dim);
    font-size: 40px;
    cursor: pointer;
    padding: 20px;
    transition: color 0.3s;
    font-weight: 300;
}
.m3dc-lightbox-nav:hover { color: var(--lux-gold); }
.m3dc-lightbox-prev { left: 20px; }
.m3dc-lightbox-next { right: 20px; }

/* --- CTA Banner --- */
.m3dc-cta-banner {
    background: var(--lux-dark-warm);
    padding: 80px 40px;
    text-align: center;
    border-top: 1px solid var(--lux-border);
    border-bottom: 1px solid var(--lux-border);
    position: relative;
}
.m3dc-cta-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background: var(--lux-gold);
}
.m3dc-cta-banner h2 {
    font-family: var(--font-display);
    color: var(--lux-white);
    font-size: clamp(24px, 3vw, 34px);
    margin-bottom: 12px;
    font-weight: 600;
}
.m3dc-cta-banner p {
    font-family: var(--font-accent);
    color: var(--lux-text-muted);
    font-size: 18px;
    margin-bottom: 32px;
    font-weight: 300;
    letter-spacing: 0.02em;
}

/* --- Buttons --- */
.m3dc-btn {
    display: inline-block;
    padding: 16px 48px;
    background: transparent;
    color: var(--lux-gold);
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 11px;
    letter-spacing: 3px;
    text-transform: uppercase;
    border: 1px solid var(--lux-gold);
    border-radius: 0;
    cursor: pointer;
    transition: all 0.5s var(--lux-transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}
.m3dc-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--lux-gold);
    transition: left 0.5s var(--lux-transition);
    z-index: -1;
}
.m3dc-btn:hover {
    color: var(--lux-black);
}
.m3dc-btn:hover::before {
    left: 0;
}
.m3dc-btn-outline {
    background: transparent;
    border: 1px solid var(--lux-gold);
    color: var(--lux-gold);
}

/* --- Trust Banner --- */
.m3dc-trust {
    background: var(--lux-dark-warm);
    padding: 70px 40px;
    border-top: 1px solid var(--lux-border);
    border-bottom: 1px solid var(--lux-border);
}
.m3dc-trust-inner {
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 40px;
}
.m3dc-trust-item {
    text-align: center;
    flex: 1 1 200px;
    min-width: 150px;
}
.m3dc-trust-number {
    font-family: var(--font-display);
    font-size: 56px;
    font-weight: 400;
    color: var(--lux-gold);
    line-height: 1;
}
.m3dc-trust-plus {
    font-family: var(--font-display);
    font-size: 28px;
    font-weight: 400;
    color: var(--lux-gold);
    margin-left: 2px;
}
.m3dc-trust-label {
    display: block;
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 500;
    color: var(--lux-text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-top: 12px;
}

/* --- Form Styles (Devis) --- */
.m3dc-form {
    max-width: 720px;
    margin: 0 auto;
}
.m3dc-form-group { margin-bottom: 28px; }
.m3dc-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

.m3dc-form label {
    display: block;
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 600;
    color: var(--lux-text-muted);
    margin-bottom: 10px;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.m3dc-form label .required { color: var(--lux-gold); margin-left: 2px; }

.m3dc-form input[type="text"],
.m3dc-form input[type="email"],
.m3dc-form input[type="tel"],
.m3dc-form select,
.m3dc-form textarea {
    width: 100%;
    padding: 16px 20px;
    font-family: var(--font-body);
    font-size: 14px;
    color: var(--lux-white);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    transition: all 0.4s var(--lux-transition);
    -webkit-appearance: none;
    appearance: none;
    letter-spacing: 0.02em;
}
.m3dc-form input:focus,
.m3dc-form select:focus,
.m3dc-form textarea:focus {
    outline: none;
    border-color: var(--lux-gold);
    box-shadow: 0 0 0 1px var(--lux-gold);
    background: rgba(201, 168, 76, 0.03);
}
.m3dc-form textarea { min-height: 160px; resize: vertical; }
.m3dc-form select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23C9A84C' stroke-width='1' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-color: rgba(255, 255, 255, 0.03);
    padding-right: 48px;
}
.m3dc-form input::placeholder,
.m3dc-form textarea::placeholder {
    color: var(--lux-text-dim);
    font-style: italic;
}
.m3dc-form select option {
    background: var(--lux-dark);
    color: var(--lux-white);
}

/* Radio buttons */
.m3dc-radio-group {
    display: flex;
    gap: 28px;
    margin-top: 4px;
}
.m3dc-radio-group label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 400;
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
    font-size: 14px;
    color: var(--lux-text);
}
.m3dc-radio-group input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 18px;
    height: 18px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    transition: all 0.3s var(--lux-transition);
    cursor: pointer;
    position: relative;
}
.m3dc-radio-group input[type="radio"]:checked { border-color: var(--lux-gold); }
.m3dc-radio-group input[type="radio"]:checked::after {
    content: '';
    position: absolute;
    top: 3px; left: 3px;
    width: 10px; height: 10px;
    background: var(--lux-gold);
    border-radius: 50%;
}

/* File upload */
.m3dc-file-upload {
    border: 1px dashed rgba(255, 255, 255, 0.15);
    border-radius: 0;
    padding: 40px;
    text-align: center;
    transition: all 0.4s var(--lux-transition);
    cursor: pointer;
}
.m3dc-file-upload:hover,
.m3dc-file-upload.dragover {
    border-color: var(--lux-gold);
    background: rgba(201, 168, 76, 0.03);
}
.m3dc-file-upload p { font-size: 13px; color: var(--lux-text-muted); margin: 8px 0 0; }
.m3dc-file-upload .formats { font-size: 11px; color: var(--lux-text-dim); }

.m3dc-file-list { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; }
.m3dc-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background: rgba(255, 255, 255, 0.03);
    font-size: 13px;
    color: var(--lux-text);
}
.m3dc-file-remove {
    background: none;
    border: none;
    color: #c0392b;
    cursor: pointer;
    font-size: 16px;
    padding: 0 4px;
}

/* Checkbox RGPD */
.m3dc-checkbox-group {
    display: flex;
    align-items: flex-start;
    gap: 14px;
    margin: 28px 0;
}
.m3dc-checkbox-group input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0;
    flex-shrink: 0;
    margin-top: 2px;
    cursor: pointer;
    transition: all 0.3s var(--lux-transition);
    position: relative;
}
.m3dc-checkbox-group input[type="checkbox"]:checked {
    background: var(--lux-gold);
    border-color: var(--lux-gold);
}
.m3dc-checkbox-group input[type="checkbox"]:checked::after {
    content: '\2713';
    position: absolute;
    top: 0; left: 4px;
    color: var(--lux-black);
    font-size: 13px;
    font-weight: 700;
}
.m3dc-checkbox-group label {
    font-size: 13px;
    font-weight: 400;
    color: var(--lux-text-muted);
    line-height: 1.6;
    cursor: pointer;
    text-transform: none;
    letter-spacing: 0;
}
.m3dc-checkbox-group label a { color: var(--lux-gold); text-decoration: underline; }

/* Submit button */
.m3dc-form .m3dc-submit {
    width: 100%;
    padding: 18px 48px;
    background: transparent;
    color: var(--lux-gold);
    font-family: var(--font-body);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    border: 1px solid var(--lux-gold);
    border-radius: 0;
    cursor: pointer;
    transition: all 0.5s var(--lux-transition);
    position: relative;
    overflow: hidden;
}
.m3dc-form .m3dc-submit::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: var(--lux-gold);
    transition: left 0.5s var(--lux-transition);
    z-index: 0;
}
.m3dc-form .m3dc-submit:hover {
    color: var(--lux-black);
}
.m3dc-form .m3dc-submit:hover::before { left: 0; }
.m3dc-form .m3dc-submit:disabled { opacity: 0.4; cursor: not-allowed; }

/* Form messages */
.m3dc-form-success {
    padding: 32px;
    background: rgba(201, 168, 76, 0.05);
    border: 1px solid var(--lux-gold);
    text-align: center;
    margin: 28px 0;
}
.m3dc-form-success h3 { color: var(--lux-white); margin-bottom: 8px; }
.m3dc-form-success p { color: var(--lux-text-muted); }
.m3dc-form-error { color: #c0392b; font-size: 12px; margin-top: 6px; display: none; }
.m3dc-form-group.error input,
.m3dc-form-group.error select,
.m3dc-form-group.error textarea { border-color: #c0392b; }
.m3dc-form-group.error .m3dc-form-error { display: block; }
.m3dc-form-alert {
    padding: 16px 20px;
    margin-bottom: 24px;
    font-size: 13px;
}
.m3dc-form-alert.error {
    background: rgba(192, 57, 43, 0.08);
    color: #c0392b;
    border: 1px solid rgba(192, 57, 43, 0.2);
}

/* --- Floating CTA --- */
.m3dc-floating-cta {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 999;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s var(--lux-transition);
    pointer-events: none;
}
.m3dc-floating-btn {
    display: inline-flex;
    align-items: center;
    padding: 14px 28px;
    background: var(--lux-gold);
    color: var(--lux-black) !important;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 10px;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    text-decoration: none;
    border-radius: 0;
    box-shadow: 0 4px 24px rgba(201, 168, 76, 0.3);
    transition: all 0.4s var(--lux-transition);
}
.m3dc-floating-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(201, 168, 76, 0.4);
    background: var(--lux-gold-light);
    color: var(--lux-black) !important;
}

/* --- Footer --- */
.m3dc-footer {
    background: var(--lux-black);
    color: var(--lux-white);
    padding: 80px 40px 40px;
    border-top: 1px solid var(--lux-border);
}
.m3dc-footer-inner {
    max-width: 1200px;
    margin: 0 auto;
}
.m3dc-footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}
.m3dc-footer-logo {
    max-height: 36px;
    width: auto;
    margin-bottom: 16px;
    filter: brightness(1.1);
}
.m3dc-footer-tagline {
    font-family: var(--font-accent);
    font-size: 16px;
    color: var(--lux-text-muted);
    font-style: italic;
    margin-bottom: 20px;
    font-weight: 300;
}
.m3dc-footer-social { display: flex; gap: 20px; }
.m3dc-footer-social a {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 600;
    color: var(--lux-gold);
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.7;
    transition: opacity 0.4s var(--lux-transition);
}
.m3dc-footer-social a:hover { opacity: 1; color: var(--lux-gold-light); }

.m3dc-footer h3 {
    font-family: var(--font-body);
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--lux-gold);
    margin-bottom: 20px;
}
.m3dc-footer ul { list-style: none; }
.m3dc-footer ul li { margin-bottom: 10px; }
.m3dc-footer ul a {
    color: var(--lux-text-muted);
    font-size: 14px;
    transition: color 0.3s;
    font-weight: 400;
}
.m3dc-footer ul a:hover { color: var(--lux-gold); }
.m3dc-footer p {
    color: var(--lux-text-muted);
    font-size: 14px;
    line-height: 1.7;
    margin-bottom: 4px;
}
.m3dc-footer-hours {
    margin-top: 8px;
    color: var(--lux-text-dim) !important;
    font-size: 12px !important;
    letter-spacing: 0.5px;
}

.m3dc-footer-bottom {
    border-top: 1px solid var(--lux-border);
    padding-top: 28px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}
.m3dc-footer-bottom p {
    font-size: 11px;
    color: var(--lux-text-dim);
    letter-spacing: 1px;
}
.m3dc-footer-legal { display: flex; gap: 28px; }
.m3dc-footer-legal a {
    font-size: 11px;
    color: var(--lux-text-dim);
    transition: color 0.3s;
    letter-spacing: 0.5px;
}
.m3dc-footer-legal a:hover { color: var(--lux-gold); }

/* --- Scroll Reveal Animations --- */
@keyframes luxRevealUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes luxRevealFade {
    from { opacity: 0; }
    to { opacity: 1; }
}
@keyframes luxLine {
    from { width: 0; }
    to { width: 60px; }
}

.lux-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--lux-transition), transform 0.8s var(--lux-transition);
}
.lux-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger children */
.lux-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s var(--lux-transition), transform 0.6s var(--lux-transition);
}
.lux-stagger.revealed > *:nth-child(1) { transition-delay: 0s; }
.lux-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; }
.lux-stagger.revealed > *:nth-child(3) { transition-delay: 0.2s; }
.lux-stagger.revealed > *:nth-child(4) { transition-delay: 0.3s; }
.lux-stagger.revealed > *:nth-child(5) { transition-delay: 0.4s; }
.lux-stagger.revealed > *:nth-child(6) { transition-delay: 0.5s; }
.lux-stagger.revealed > *:nth-child(7) { transition-delay: 0.6s; }
.lux-stagger.revealed > *:nth-child(8) { transition-delay: 0.7s; }
.lux-stagger.revealed > * {
    opacity: 1;
    transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 975px) {
    .m3dc-menu-toggle { display: block; }
    .m3dc-nav {
        position: fixed;
        top: 0; right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--lux-black);
        padding: 120px 32px 32px;
        transition: right 0.5s var(--lux-transition);
        box-shadow: -8px 0 40px rgba(0, 0, 0, 0.5);
        border-left: 1px solid var(--lux-border);
    }
    .m3dc-nav.open { right: 0; }
    .m3dc-nav ul { flex-direction: column; gap: 0; }
    .m3dc-nav ul li a {
        padding: 16px 0;
        font-size: 12px;
        border-bottom: 1px solid var(--lux-border-subtle);
        letter-spacing: 3px;
    }
    .m3dc-nav ul li a::after { display: none; }
    .m3dc-nav ul li.m3dc-nav-cta { margin-top: 24px; }
    .m3dc-nav ul li.m3dc-nav-cta a { text-align: center; }

    .m3dc-hero { min-height: 50vh; padding: 120px 24px 80px; }
    .m3dc-hero h1 { font-size: 30px; }
    .m3dc-hero .m3dc-subtitle { font-size: 17px; }

    .m3dc-section { padding: 64px 24px; }
    .m3dc-section h2 { font-size: 28px; }

    .m3dc-form-row { grid-template-columns: 1fr; gap: 0; }

    .m3dc-footer-grid { grid-template-columns: 1fr; gap: 40px; }
    .m3dc-footer { padding: 60px 24px 30px; }
    .m3dc-footer-bottom { flex-direction: column; text-align: center; }

    .m3dc-floating-cta { bottom: 16px; right: 16px; left: 16px; }
    .m3dc-floating-btn { width: 100%; justify-content: center; font-size: 10px; padding: 16px; }

    .m3dc-trust-item { flex: 1 1 45%; }
    .m3dc-trust-number { font-size: 42px; }
    .m3dc-trust { padding: 50px 24px; }

    .m3dc-gallery { padding: 64px 24px; }
    .m3dc-gallery-grid { grid-template-columns: repeat(2, 1fr); }
    .m3dc-gallery h2 { font-size: 28px; margin-bottom: 36px; }

    .m3dc-header-inner { padding: 0 24px; }
}

@media (max-width: 575px) {
    .m3dc-hero h1 { font-size: 26px; }
    .m3dc-hero { padding: 110px 20px 60px; }
    .m3dc-section { padding: 48px 20px; }
    .m3dc-grid { grid-template-columns: 1fr; }
    .m3dc-features { grid-template-columns: 1fr; }
    .m3dc-gallery-grid { grid-template-columns: 1fr; gap: 4px; }
    .m3dc-header-inner { padding: 0 20px; height: 72px; }
}