/* ==========================================================================
   Handy Craft Pro - Style Sheet (Furniture Assembly Metro Vancouver)
   ========================================================================== */

/* --- Custom Variables & Theme Tokens --- */
:root {
    --bg-dark: #0f1115;
    --bg-card: #181c24;
    --bg-card-hover: #1e2430;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #d97706; /* Oak Amber */
    --accent-hover: #b45309;
    --accent-light: #fef3c7;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(217, 119, 6, 0.3);
    --glass-bg: rgba(24, 28, 36, 0.7);
    --glass-border: rgba(255, 255, 255, 0.06);
    --font-sans: 'Outfit', sans-serif;
    --font-serif: 'Playfair Display', serif;
    --transition-fast: 0.2s ease;
    --transition-normal: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.25, 1, 0.5, 1);
    --container-width: 1200px;
}

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

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

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* --- Utility Classes --- */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

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

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: rgba(217, 119, 6, 0.15);
    color: var(--accent);
    border: 1px solid rgba(217, 119, 6, 0.25);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

/* --- Section Headers --- */
.section-header {
    margin-bottom: 4rem;
}

.section-subtitle {
    display: block;
    color: var(--accent);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.section-header h2, .about-content-side h2, .contact-info-side h2 {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.75rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    border: none;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--accent);
    color: #fff;
    box-shadow: 0 4px 15px rgba(217, 119, 6, 0.3);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 119, 6, 0.4);
}

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

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-secondary);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
}

.btn-block {
    width: 100%;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.9rem;
}

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

.main-header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 0;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1.5rem;
    padding-bottom: 1.5rem;
    transition: var(--transition-normal);
}

.main-header.scrolled .header-container {
    padding-top: 0.5rem;
    padding-bottom: 0.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--accent);
    color: #fff;
    width: 36px;
    height: 36px;
    border-radius: 8px;
}

.logo-icon i {
    width: 18px;
    height: 18px;
}

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

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

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent);
    transition: var(--transition-fast);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.phone-cta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.phone-cta i {
    color: var(--accent);
    width: 18px;
    height: 18px;
}

.phone-cta:hover {
    color: var(--accent);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

/* --- Mobile Nav Overlay --- */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 100%;
    width: 100%;
    height: 100%;
    background-color: var(--bg-dark);
    z-index: 200;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: left 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.mobile-nav-overlay.open {
    left: 0;
}

.mobile-nav-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
    position: relative;
}

.close-menu {
    position: absolute;
    top: -50px;
    right: 0;
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
}

.mobile-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.mobile-link {
    font-size: 1.8rem;
    font-weight: 700;
}

.mobile-link:hover {
    color: var(--accent);
}

/* --- Hero Section --- */
.hero-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    background-image: url('assets/hero_bg.webp');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 17, 21, 0.95) 30%, rgba(15, 17, 21, 0.7) 100%);
    z-index: 1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 700px;
}

.hero-content h1 {
    font-size: 3.8rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-content p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 4rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-top: 0.25rem;
}

/* --- Partners / Brands Section --- */
.partners-section {
    padding: 3rem 0;
    background-color: #13171e;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
}

.partners-title {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 600;
    margin-bottom: 2rem;
}

.marquee {
    position: relative;
    width: 100%;
    overflow: hidden;
    display: flex;
    mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, #000 15%, #000 85%, transparent);
}

.marquee-content {
    display: flex;
    gap: 4rem;
    padding: 0.5rem 0;
    width: max-content;
    animation: scrollMarquee 25s linear infinite;
}

.marquee:hover .marquee-content {
    animation-play-state: paused;
}

.partner-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.25);
    transition: var(--transition-fast);
    white-space: nowrap;
    padding: 0 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-logo:hover {
    color: var(--accent);
    transform: scale(1.08);
}

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

/* --- Services Section --- */
.services-section {
    padding: 8rem 0;
    background-color: var(--bg-dark);
}

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

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem 2rem;
    border-radius: 16px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-normal);
}

.service-card:hover {
    background-color: var(--bg-card-hover);
    border-color: var(--border-hover);
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(217, 119, 6, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    color: var(--accent);
    transition: var(--transition-fast);
}

.service-card:hover .service-icon {
    background-color: var(--accent);
    color: #fff;
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

.service-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-primary);
}

.service-list li i {
    width: 16px;
    height: 16px;
    color: var(--accent);
}

/* --- 3D Gallery Section --- */
.gallery-section {
    padding: 8rem 0;
    background-color: #12151c;
    overflow: hidden;
}

.carousel-container-3d {
    position: relative;
    width: 100%;
    height: 550px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin-top: 2rem;
}

.carousel-stage {
    position: relative;
    width: 100%;
    height: 420px;
    perspective: 1200px; /* Essential for 3D depth */
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-3d {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    display: flex;
    align-items: center;
    justify-content: center;
}

.carousel-item-3d {
    position: absolute;
    width: 300px;
    height: 380px;
    border-radius: 20px;
    overflow: hidden;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    transform-style: preserve-3d;
    transition: transform var(--transition-slow), opacity var(--transition-slow), z-index var(--transition-slow);
    opacity: 0;
    pointer-events: none;
    z-index: 1;
}

/* 3D Cover Flow Classes */
.carousel-item-3d.active {
    transform: translateX(0) translateZ(150px) rotateY(0deg);
    opacity: 1;
    z-index: 10;
    pointer-events: auto;
}

.carousel-item-3d.next {
    transform: translateX(220px) translateZ(0) rotateY(-40deg) scale(0.85);
    opacity: 0.65;
    z-index: 5;
    pointer-events: auto;
}

.carousel-item-3d.prev {
    transform: translateX(-220px) translateZ(0) rotateY(40deg) scale(0.85);
    opacity: 0.65;
    z-index: 5;
    pointer-events: auto;
}

.carousel-item-3d.back {
    transform: translateX(0) translateZ(-150px) rotateY(180deg) scale(0.7);
    opacity: 0;
    z-index: 1;
}

.card-3d {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.card-img-wrapper {
    width: 100%;
    height: 270px;
    overflow: hidden;
    position: relative;
}

.card-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.carousel-item-3d:hover .card-img-wrapper img {
    transform: scale(1.1);
}

.card-info-3d {
    padding: 1.5rem;
    background-color: var(--bg-card);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.card-info-3d h4 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.card-info-3d p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Controls */
.carousel-controls {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
    z-index: 10;
}

.carousel-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.carousel-btn:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: scale(1.1);
}

.carousel-btn i {
    width: 22px;
    height: 22px;
}

/* Indicators */
.carousel-indicators {
    display: flex;
    gap: 0.5rem;
    margin-top: 1.5rem;
}

.indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition-fast);
}

.indicator.active {
    background-color: var(--accent);
    width: 24px;
    border-radius: 4px;
}

/* --- About Us Section --- */
.about-section {
    padding: 8rem 0;
    background-color: var(--bg-dark);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 6rem;
    align-items: center;
}

.about-image-side {
    position: relative;
    height: 500px;
    background-image: url('assets/gallery_living.webp');
    background-size: cover;
    background-position: center;
    border-radius: 24px;
    border: 1px solid var(--border-color);
}

.about-experience-badge {
    position: absolute;
    bottom: 30px;
    left: -30px;
    background-color: var(--bg-card);
    border: 1px solid var(--accent);
    padding: 1.5rem 2rem;
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.exp-years {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    text-align: center;
    max-width: 100px;
}

.about-content-side h2 {
    margin-bottom: 1.5rem;
}

.highlight-text {
    font-size: 1.2rem;
    color: var(--text-primary);
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    border-left: 3px solid var(--accent);
    padding-left: 1.25rem;
}

.about-content-side p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.feature-item {
    display: flex;
    gap: 1.25rem;
}

.feature-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(217, 119, 6, 0.08);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    flex-shrink: 0;
}

.feature-icon i {
    width: 20px;
    height: 20px;
}

.feature-item h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 0;
}

/* --- Contact Section --- */
.contact-section {
    padding: 8rem 0;
    background-color: #11141a;
    border-top: 1px solid var(--border-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-info-side p {
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    font-size: 1.05rem;
}

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

.contact-card {
    display: flex;
    gap: 1rem;
}

.c-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
}

.c-icon i {
    width: 18px;
    height: 18px;
}

.c-text span {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.c-text a, .c-text p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-top: 0.25rem;
    margin-bottom: 0;
}

.c-text a:hover {
    color: var(--accent);
}

/* Vancouver Stylized Map representation */
.vancouver-coverage-map {
    position: relative;
    height: 200px;
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.04) 2px, transparent 2px);
    background-size: 16px 16px;
}

.map-circle {
    position: absolute;
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: rgba(217, 119, 6, 0.15);
}

.pulse-1 {
    animation: mapPulse 3s infinite linear;
}
.pulse-2 {
    animation: mapPulse 3s infinite linear;
    animation-delay: 1.5s;
}

.map-pin-indicator {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    z-index: 5;
}

.map-pin-indicator i {
    color: var(--accent);
    width: 32px;
    height: 32px;
    filter: drop-shadow(0 2px 10px rgba(217, 119, 6, 0.5));
    animation: bouncePin 2s infinite ease-in-out;
}

.map-pin-indicator span {
    font-size: 0.9rem;
    font-weight: 700;
    background-color: var(--bg-dark);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

@keyframes mapPulse {
    0% { transform: scale(0.5); opacity: 0.8; }
    100% { transform: scale(2.2); opacity: 0; }
}

@keyframes bouncePin {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* Glassmorphic Contact Form */
.glass-form-wrapper {
    background-color: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    position: relative;
}

.glass-form-wrapper h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.glass-form-wrapper p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

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

.form-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 0.85rem 1.2rem;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.2);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.05);
    box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}

/* Custom Select styling */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

.form-group select option {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.form-group select option:disabled {
    color: rgba(255, 255, 255, 0.2);
}

.form-group textarea {
    resize: none;
}

/* Validation Errors */
.error-msg {
    display: none;
    font-size: 0.75rem;
    color: #ef4444;
    margin-top: 0.25rem;
}

.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
    border-color: #ef4444;
}

.form-group.invalid .error-msg {
    display: block;
}

/* Loading Spinner */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Submit Success Overlay */
.success-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-card);
    border-radius: 24px;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.5s ease;
}

.success-overlay.show {
    opacity: 1;
    pointer-events: auto;
}

.success-card {
    text-align: center;
    max-width: 320px;
}

.success-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
}

.success-icon i {
    width: 32px;
    height: 32px;
}

.success-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.success-card p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

/* --- Footer --- */
.main-footer {
    background-color: var(--bg-dark);
    border-top: 1px solid var(--border-color);
    padding-top: 6rem;
    padding-bottom: 3rem;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 4rem;
    margin-bottom: 5rem;
}

.footer-brand p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-top: 1.5rem;
    max-width: 300px;
}

.footer-links-col h4 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

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

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

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

.footer-contact {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.footer-contact i {
    color: var(--accent);
    width: 16px;
    height: 16px;
}

.footer-contact a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-links a {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.social-links a:hover {
    background-color: var(--accent);
    border-color: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
    gap: 2rem;
}

.footer-bottom-left {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 70%;
}

.footer-disclaimer {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.3);
    line-height: 1.4;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
    flex-shrink: 0;
}

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

/* --- Back to Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 99;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--accent);
    border: none;
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
    opacity: 0;
    pointer-events: none;
    transform: translateY(15px);
    transition: opacity var(--transition-fast), transform var(--transition-fast), background-color var(--transition-fast);
}

.back-to-top.show {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.back-to-top:hover {
    background-color: var(--accent-hover);
    transform: translateY(-5px);
}

.back-to-top i {
    width: 20px;
    height: 20px;
}

@media (max-width: 768px) {
    .back-to-top {
        bottom: 20px;
        right: 20px;
        width: 44px;
        height: 44px;
    }
}

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .hero-content h1 {
        font-size: 3rem;
    }
    
    .partners-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .about-image-side {
        height: 400px;
    }
    
    .about-experience-badge {
        left: 20px;
        bottom: -20px;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .nav-menu, .btn-nav, .phone-cta {
        display: none;
    }
    
    .hero-content h1 {
        font-size: 2.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .hero-stats {
        gap: 1.5rem;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .carousel-container-3d {
        height: 480px;
    }
    
    .carousel-stage {
        height: 380px;
    }
    
    .carousel-3d {
        width: 100%;
        height: 100%;
    }
    
    .carousel-item-3d {
        width: 240px;
        height: 320px;
    }

    .carousel-item-3d.next {
        transform: translateX(110px) translateZ(0) rotateY(-35deg) scale(0.8);
        opacity: 0.6;
    }

    .carousel-item-3d.prev {
        transform: translateX(-110px) translateZ(0) rotateY(35deg) scale(0.8);
        opacity: 0.6;
    }

    .carousel-item-3d.back {
        transform: translateX(0) translateZ(-100px) rotateY(180deg) scale(0.68);
    }
    
    .card-img-wrapper {
        height: 200px;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .contact-details {
        grid-template-columns: 1fr;
    }
    
    .glass-form-wrapper {
        padding: 2rem;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-bottom-left {
        max-width: 100%;
    }
}

/* ==========================================================================
   7. Lightbox Modal (Fullscreen Images)
   ========================================================================== */
.lightbox-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(10, 12, 16, 0.95);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 2rem;
}

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

.lightbox-modal img {
    max-width: 90%;
    max-height: 85vh;
    object-fit: contain;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6);
    transform: scale(0.9);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
}

.lightbox-modal.open img {
    transform: scale(1);
}

.lightbox-close {
    position: absolute;
    top: 30px;
    right: 30px;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 3rem;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--accent);
    transform: scale(1.1);
}

@media (max-width: 768px) {
    .lightbox-close {
        top: 20px;
        right: 20px;
        font-size: 2.5rem;
    }
}