/* ==========================================================================
   ACD STONE - GLOBAL STYLESHEET
   Design System: Dark Slate & Champagne Gold (Luxury Natural Stone Theme)
   ========================================================================== */

/* Design Tokens & Variables */
:root {
    --bg-primary: #fafafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f3f5;
    --bg-glass: rgba(255, 255, 255, 0.85);
    
    --color-gold: #c5a059;
    --color-gold-light: #e2c285;
    --color-gold-dark: #997839;
    --color-white: #ffffff;
    --color-dark: #121212;
    --color-heading: #121212;
    --color-text-primary: #2b2b2b;
    --color-text-secondary: #5e6266;
    --color-text-muted: #8e9499;
    --border-color: rgba(0, 0, 0, 0.08);
    
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.8s cubic-bezier(0.4, 0, 0.2, 1);
    
    --container-width: 1200px;
    --header-height: 80px;
}

/* Base resets & styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    background-image: url('white_marble_bg.png');
    background-size: cover;
    background-attachment: fixed;
    background-repeat: no-repeat;
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-heading);
    font-weight: 600;
    letter-spacing: 0.5px;
}

p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

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

ul {
    list-style: none;
}

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

/* Scrollbar Customization */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: #bbb;
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-gold);
}

/* Utilities */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
}

.text-center { text-align: center; }
.mt-3 { margin-top: 1.5rem; }
.mt-5 { margin-top: 3rem; }
.mb-5 { margin-bottom: 3rem; }
.gold-text { color: var(--color-gold); }
.highlight-text {
    font-size: 1.1rem;
    color: var(--color-heading);
    font-weight: 500;
}

/* Common Section Layout */
.section {
    padding: 100px 0;
    position: relative;
    z-index: 2;
    background-color: transparent;
}

.section-tag {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gold);
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    position: relative;
}

.section-subtitle {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto 3rem;
    color: var(--color-text-secondary);
}

/* Custom interactive buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border-radius: 0;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-normal);
}

.btn-primary {
    background-color: var(--color-gold);
    color: var(--color-dark);
    border-color: var(--color-gold);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-gold);
    box-shadow: 0 0 15px rgba(197, 160, 89, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-dark);
    border-color: rgba(18, 18, 18, 0.3);
}

.btn-secondary:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
    border-color: var(--color-dark);
    transform: translateY(-2px);
}

.btn-secondary i {
    margin-left: 8px;
    transition: var(--transition-fast);
}

.btn-secondary:hover i {
    transform: translateX(5px);
}

.btn-block {
    display: width;
    width: 100%;
}

/* Header & Glassmorphic Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: transparent;
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: var(--transition-normal);
}

.header.scrolled {
    background-color: var(--bg-glass);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    height: 70px;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
}

.nav-container {
    height: 100%;
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-heading);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    position: relative;
    padding: 5px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
    color: var(--color-heading);
}

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

.portfolio-btn {
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-dark);
    background-color: var(--color-gold);
    padding: 0.6rem 1.2rem;
    border-radius: 0;
    transition: var(--transition-normal);
}

.portfolio-btn:hover {
    background-color: var(--color-dark);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* Mobile Hamburger Menu */
.mobile-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
}

.mobile-toggle .bar {
    display: block;
    width: 25px;
    height: 2px;
    margin: 5px auto;
    background-color: var(--color-heading);
    transition: var(--transition-normal);
}

/* Hero Section with Parallax */
.hero-section {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    text-align: center;
    z-index: 1;
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -2;
    transform: translateY(0);
    will-change: transform;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(255,255,255,0.75) 0%, rgba(255,255,255,0.9) 100%);
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    padding: 0 20px;
    z-index: 5;
}

.hero-title {
    font-size: 5rem;
    font-weight: 700;
    letter-spacing: 8px;
    margin-bottom: 1rem;
    opacity: 0;
    transform: translateY(30px);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-family: var(--font-body);
    font-weight: 600;
    letter-spacing: 4px;
    color: var(--color-gold);
    margin-bottom: 2rem;
    text-transform: uppercase;
    opacity: 0;
    transform: translateY(30px);
}

.hero-desc {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 3rem;
    color: #000000;
    opacity: 0;
    transform: translateY(30px);
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    opacity: 0;
    transform: translateY(30px);
}

/* Scroll indicator animation */
.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    z-index: 5;
    opacity: 0.8;
}

.mouse-scroll {
    width: 26px;
    height: 42px;
    border: 2px solid var(--color-text-muted);
    border-radius: 20px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.mouse-scroll .wheel {
    width: 4px;
    height: 8px;
    background-color: var(--color-gold);
    border-radius: 2px;
    animation: scroll-wheel 1.5s infinite;
}

.scroll-text {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-text-muted);
}

@keyframes scroll-wheel {
    0% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(6px); opacity: 0.5; }
    100% { transform: translateY(0); opacity: 1; }
}

/* Entrance Animations */
.animate-on-load {
    animation: fadeInUp 1s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.hero-title.animate-on-load { animation-delay: 0.2s; }
.hero-subtitle.animate-on-load { animation-delay: 0.4s; }
.hero-desc.animate-on-load { animation-delay: 0.6s; }
.hero-actions.animate-on-load { animation-delay: 0.8s; }

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

/* Who We Are & Grid Section styles */
.section-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.lead-text {
    font-size: 1.25rem;
    color: var(--color-heading);
    font-weight: 500;
}

.language-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 0.5rem 1.25rem;
    margin-top: 1.5rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    background-color: rgba(212, 175, 55, 0.05);
    border-radius: 4px;
    transition: var(--transition-fast);
}

.language-badge i {
    font-size: 0.95rem;
}

.language-badge:hover {
    background-color: var(--color-gold);
    color: var(--bg-primary);
}

.why-choose-card {
    display: flex;
    gap: 1.5rem;
    background-color: var(--bg-secondary);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    border: 1px solid var(--border-color);
    transition: var(--transition-normal);
}

.why-choose-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-gold);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

.why-choose-card .card-icon {
    font-size: 1.75rem;
    color: var(--color-gold);
    flex-shrink: 0;
    margin-top: 3px;
}

.why-choose-card h3 {
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.why-choose-card p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Parallax Divider Section */
.parallax-divider {
    position: relative;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    z-index: 1;
}

.parallax-bg-divider {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 140%;
    background-attachment: fixed;
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    z-index: -2;
}

.divider-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.75);
    z-index: -1;
}

.divider-content {
    text-align: center;
    z-index: 5;
    color: var(--color-heading);
}

.divider-content blockquote {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-style: italic;
    line-height: 1.4;
    max-width: 800px;
    margin: 0 auto;
}

.divider-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.divider-content p {
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* Our Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.process-card {
    background-color: var(--bg-secondary);
    padding: 2.5rem 2rem;
    border: 1px solid var(--border-color);
    position: relative;
    transition: var(--transition-normal);
}

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

.step-num {
    font-size: 3.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: rgba(197, 160, 89, 0.15);
    position: absolute;
    top: 10px;
    right: 20px;
    transition: var(--transition-normal);
}

.process-card:hover .step-num {
    color: rgba(197, 160, 89, 0.3);
    transform: scale(1.1);
}

.process-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
}

.process-card p {
    font-size: 0.9rem;
    line-height: 1.7;
    margin-bottom: 0;
    position: relative;
    z-index: 2;
}

/* Materials Cards Grid */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.material-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: var(--transition-normal);
    height: 100%;
}

.material-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-gold);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.08);
}

.material-img-wrapper {
    height: 200px;
    position: relative;
    overflow: hidden;
}

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

.material-card:hover .material-img {
    transform: scale(1.08);
}

.material-info {
    padding: 2rem 1.5rem;
}

.material-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.material-info p {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 0;
}

/* Craftsmanship Column Layout */
.craft-visual-column {
    position: relative;
    overflow: hidden;
}

.craft-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border: 1px solid var(--border-color);
    box-shadow: 0 15px 35px rgba(0,0,0,0.4);
    transition: var(--transition-slow);
}

.craft-visual-column:hover .craft-img {
    transform: scale(1.03);
}

.craft-list {
    margin-top: 2rem;
}

.craft-list li {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
    border-left: 2px solid var(--color-gold);
}

.craft-list li strong {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    color: var(--color-heading);
    margin-bottom: 0.35rem;
}

.craft-list li p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* Client Stories Testimonials */
.testimonials-section {
    background-color: var(--bg-secondary);
}

.testimonials-slider-container {
    max-width: 800px;
    margin: 40px auto 0;
    min-height: 250px;
    position: relative;
    text-align: center;
}

/* Testimonials Slider Navigation Arrows */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: 1px solid var(--border-color);
    color: var(--color-text-secondary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition-fast);
}

.slider-arrow:hover {
    background-color: var(--color-gold);
    color: var(--color-white);
    border-color: var(--color-gold);
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.2);
}

.slider-arrow-prev {
    left: -60px;
}

.slider-arrow-next {
    right: -60px;
}

@media (max-width: 1024px) {
    .slider-arrow-prev {
        left: 10px;
    }
    .slider-arrow-next {
        right: 10px;
    }
}

@media (max-width: 768px) {
    .slider-arrow {
        width: 35px;
        height: 35px;
        font-size: 0.9rem;
    }
    .slider-arrow-prev {
        left: 5px;
    }
    .slider-arrow-next {
        right: 5px;
    }
}

.testimonial-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: opacity 0.5s ease, transform 0.5s ease, visibility 0.5s;
}

.testimonial-slide.active {
    position: relative;
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.quote-icon {
    font-size: 2.5rem;
    color: var(--color-gold);
    opacity: 0.3;
    margin-bottom: 1.5rem;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-heading);
    line-height: 1.6;
    margin-bottom: 2rem;
    padding: 0 60px;
}

.quote-author h4 {
    font-size: 1.1rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.quote-author span {
    font-size: 0.85rem;
    color: var(--color-gold);
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 3rem;
}

.testimonial-dots .dot {
    width: 8px;
    height: 8px;
    background-color: #333;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-fast);
}

.testimonial-dots .dot.active {
    background-color: var(--color-gold);
    transform: scale(1.25);
}

/* By The Numbers / Stats Grid */
.stats-section {
    background-color: transparent;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-card .stat-num {
    display: block;
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.stat-card h4 {
    font-size: 1rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: 0.75rem;
}

.stat-card p {
    font-size: 0.85rem;
    margin-bottom: 0;
}

/* Contact / Get Started Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-methods {
    margin-top: 3rem;
}

.method-card {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.method-icon {
    width: 50px;
    height: 50px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    color: var(--color-gold);
    flex-shrink: 0;
}

.method-body h3 {
    font-size: 1.05rem;
    font-family: var(--font-body);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.method-body p {
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.contact-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-dark);
    border-bottom: 1px solid var(--color-gold);
    padding-bottom: 2px;
}

.contact-link:hover {
    color: var(--color-gold);
}

/* Contact Form design */
.custom-form {
    background-color: var(--bg-secondary);
    padding: 3rem;
    border: 1px solid var(--border-color);
}

.custom-form h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    text-align: center;
}

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

.form-group label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    border-radius: 0;
    transition: var(--transition-fast);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 8px rgba(197, 160, 89, 0.15);
}

.form-group input[type="file"] {
    padding: 0.75rem 1rem;
    cursor: pointer;
}

.form-group input[type="file"]::file-selector-button {
    background-color: var(--bg-secondary);
    color: var(--color-gold);
    border: 1px solid var(--border-color);
    padding: 0.4rem 0.8rem;
    cursor: pointer;
    font-size: 0.8rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-right: 15px;
    transition: var(--transition-fast);
}

.form-group input[type="file"]::file-selector-button:hover {
    background-color: var(--color-gold);
    color: var(--bg-primary);
    border-color: var(--color-gold);
}

/* Footer Section */
.footer-section {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
    position: relative;
    z-index: 2;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.5fr;
    gap: 4rem;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-heading);
    margin-bottom: 1rem;
    display: block;
}

.footer-brand p {
    font-size: 0.88rem;
    max-width: 250px;
}

.footer-links h4, .footer-social h4 {
    font-size: 0.85rem;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-heading);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    font-size: 0.88rem;
    color: var(--color-text-secondary);
}

.footer-links a:hover {
    color: var(--color-gold);
    padding-left: 3px;
}

.footer-social p {
    font-size: 0.88rem;
    margin-bottom: 1.5rem;
}

.social-icons {
    display: flex;
    gap: 1rem;
}

.social-icons a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: var(--transition-normal);
}

.social-icons a:hover {
    color: var(--color-white);
    background-color: var(--color-gold);
    border-color: var(--color-gold);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* Scroll trigger reveals */
.reveal-item {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-item.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (MOBILE SITE & TABLET)
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-title {
        font-size: 4rem;
    }
    
    .section-grid, .contact-grid {
        gap: 3rem;
    }
    
    .process-steps, .materials-grid, .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }
    
    .footer-top {
        grid-template-columns: repeat(3, 1fr);
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }

    body {
        font-size: 15px;
    }

    .section {
        padding: 70px 0;
    }

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

    /* Disable Fixed Parallax on Mobile/Touch for Performance */
    .parallax-bg, .parallax-bg-divider {
        background-attachment: scroll !important;
        height: 100%;
    }

    .hero-title {
        font-size: 2.8rem;
        letter-spacing: 4px;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        letter-spacing: 2px;
    }

    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .btn {
        width: 100%;
    }

    /* Navigation Menu Overlay for Mobile */
    .mobile-toggle {
        display: block;
        z-index: 1001;
    }

    /* Hamburger Active transition */
    .mobile-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .mobile-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-secondary);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 2rem;
        padding: 2rem;
        border-left: 1px solid var(--border-color);
        transition: right 0.4s ease-in-out;
        z-index: 1000;
        box-shadow: -5px 0 25px rgba(0,0,0,0.5);
    }

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

    .nav-link {
        font-size: 1.1rem;
    }

    .portfolio-btn {
        width: 100%;
        text-align: center;
        margin-top: 1rem;
    }

    /* Grid layout reflows to 1 column */
    .section-grid, .contact-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .craft-visual-column {
        order: 2;
    }

    .craft-text-column {
        order: 1;
    }

    .craft-img {
        height: 300px;
    }

    .process-steps, .materials-grid, .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .parallax-divider {
        height: 300px;
    }

    .divider-content blockquote {
        font-size: 1.4rem;
        padding: 0 15px;
    }

    .divider-content h2 {
        font-size: 1.8rem;
    }

    .quote-text {
        font-size: 1.2rem;
    }

    .custom-form {
        padding: 2rem 1.5rem;
    }

    .footer-top {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
}