:root {
    /* Monochrome Palette - Diamond Inspired */
    --pure-black: #000000;
    --deep-black: #0a0a0a;
    --charcoal: #1a1a1a;
    --dark-gray: #2a2a2a;
    --medium-gray: #3a3a3a;
    --light-gray: #cccccc;
    --silver: #e8e8e8;
    --pure-white: #ffffff;

    /* Diamond Light Effects */
    --diamond-glow: rgba(255, 255, 255, 0.1);
    --diamond-shine: rgba(255, 255, 255, 0.02);
    --diamond-reflection: rgba(255, 255, 255, 0.05);

    /* Shadows - Elegant and Subtle */
    --shadow-subtle: 0 2px 12px rgba(0, 0, 0, 0.4);
    --shadow-medium: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-strong: 0 16px 64px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 40px rgba(255, 255, 255, 0.1);

    /* Spacing */
    --section-padding: 8rem 0;
}

/* Global Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--pure-black);
    color: var(--pure-white);
    overflow-x: hidden;
    line-height: 1.6;
    font-weight: 300;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Outfit', sans-serif;
    font-weight: 300;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* Hero Section - Diamond in Light */
.hero-section {
    position: relative;
    min-height: 100vh;
    background: var(--pure-black);
    overflow: hidden;
}

.hero-image-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../background/image.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.08;
    filter: blur(1px) grayscale(100%);
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 30% 40%, rgba(255, 255, 255, 0.03) 0%, transparent 60%);
    pointer-events: none;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }

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

.badge-premium {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--diamond-reflection);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 2px;
    font-size: 0.75rem;
    font-weight: 400;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    backdrop-filter: blur(20px);
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.2s backwards;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.badge-premium:hover {
    background: var(--diamond-glow);
    border-color: rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-glow);
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    font-weight: 200;
    margin-bottom: 2rem;
    letter-spacing: -0.03em;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.3s backwards;
}

.gradient-text {
    font-weight: 300;
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pure-white), transparent);
    opacity: 0.4;
}

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.125rem);
    color: var(--light-gray);
    max-width: 550px;
    font-weight: 300;
    line-height: 1.8;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.4s backwards;
}

/* Features Grid - Minimalist */
.features-grid {
    display: grid;
    gap: 1rem;
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.5s backwards;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--diamond-shine);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background: linear-gradient(180deg, transparent, var(--pure-white), transparent);
    opacity: 0;
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-item:hover {
    background: var(--diamond-reflection);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateX(8px);
}

.feature-item:hover::before {
    opacity: 0.3;
}

.feature-icon {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--pure-white), transparent);
    opacity: 0.3;
    flex-shrink: 0;
}

.feature-text h3 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    font-weight: 400;
    letter-spacing: 0.05em;
}

.feature-text p {
    font-size: 0.875rem;
    color: var(--light-gray);
    margin: 0;
    font-weight: 300;
}

/* Quote Form Container - Elegant Minimalism */
.quote-form-container {
    background: var(--deep-black);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    padding: 3rem;
    backdrop-filter: blur(30px);
    box-shadow: var(--shadow-strong);
    animation: fadeInUp 1.2s cubic-bezier(0.16, 1, 0.3, 1) 0.6s backwards;
    position: relative;
}

.quote-form-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--pure-white), transparent);
    opacity: 0.2;
}

.form-header {
    text-align: center;
    margin-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding-bottom: 2rem;
}

.form-icon {
    font-size: 2rem;
    color: var(--pure-white);
    display: block;
    margin-bottom: 1.5rem;
    opacity: 0.6;
}

.form-header h2 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.form-header p {
    color: var(--light-gray);
    font-size: 0.875rem;
    font-weight: 300;
}

/* Form Styles - Clean and Minimal */
.form-label {
    font-weight: 400;
    margin-bottom: 0.75rem;
    color: var(--silver);
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.form-label i {
    display: none;
}

.form-control {
    background: var(--charcoal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--pure-white);
    padding: 1rem 1.25rem;
    border-radius: 0;
    font-size: 1rem;
    font-weight: 300;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.form-control:focus {
    background: var(--dark-gray);
    border-color: var(--pure-white);
    box-shadow: 0 0 0 1px var(--pure-white);
    color: var(--pure-white);
    outline: none;
}

.form-control::placeholder {
    color: rgba(255, 255, 255, 0.3);
    font-weight: 300;
}

/* File Upload - Sophisticated */
.file-upload-wrapper {
    position: relative;
}

.file-upload-wrapper input[type="file"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
    z-index: 2;
}

.file-upload-info {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    padding: 2.5rem;
    background: var(--charcoal);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.file-upload-info::before {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid var(--pure-white);
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.file-upload-info:hover::before {
    opacity: 0.3;
}

.file-upload-info i {
    font-size: 1.5rem;
    color: var(--pure-white);
    opacity: 0.5;
}

.file-name {
    color: var(--light-gray);
    font-size: 0.875rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.file-upload-wrapper.has-file .file-upload-info {
    background: var(--dark-gray);
    border-color: var(--pure-white);
}

.file-upload-wrapper.has-file .file-name {
    color: var(--pure-white);
}

.file-upload-wrapper.has-file .file-upload-info i {
    opacity: 1;
}

/* Buttons - Elegant and Simple */
.btn-primary {
    background: var(--pure-white);
    border: 1px solid var(--pure-white);
    color: var(--pure-black);
    font-weight: 400;
    padding: 1.25rem 3rem;
    border-radius: 0;
    font-size: 0.875rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-subtle);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background: var(--pure-black);
    color: var(--pure-white) !important;
    border-color: var(--pure-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover * {
    color: var(--pure-white) !important;
}

.btn-primary:active {
    transform: translateY(0);
}

.submit-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Smooth Scroll */
.smooth-scroll {
    text-decoration: none;
}

/* Alerts - Minimalist */
.alert {
    border-radius: 0;
    border: 1px solid;
    padding: 1.25rem 1.5rem;
    animation: slideDown 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    font-weight: 300;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

.alert-success {
    background: rgba(255, 255, 255, 0.05);
    color: var(--pure-white);
    border-color: rgba(255, 255, 255, 0.3);
}

.alert-danger {
    background: rgba(255, 255, 255, 0.05);
    color: var(--light-gray);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Showcase Section - Diamond Light */
.showcase-section {
    padding: var(--section-padding);
    background: var(--deep-black);
    position: relative;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.showcase-image-container {
    position: relative;
    border-radius: 0;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.showcase-image-container:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-glow);
}

.showcase-image {
    width: 100%;
    height: auto;
    display: block;
    filter: grayscale(100%) contrast(1.1);
    transition: filter 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.showcase-image-container:hover .showcase-image {
    filter: grayscale(100%) contrast(1.2);
}

.showcase-badge {
    position: absolute;
    top: 2rem;
    right: 2rem;
    background: var(--pure-white);
    color: var(--pure-black);
    padding: 0.75rem 1.5rem;
    border-radius: 0;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: var(--shadow-medium);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    font-size: 0.75rem;
}

.showcase-badge i {
    font-size: 1rem;
}

.showcase-content {
    padding: 3rem 0 3rem 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 200;
    line-height: 1.1;
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
}

.section-description {
    font-size: 1rem;
    color: var(--light-gray);
    line-height: 1.9;
    font-weight: 300;
    max-width: 500px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 2rem 0 0 0;
}

.feature-list li {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.25rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.feature-list li:last-child {
    border-bottom: none;
}

.feature-list li:hover {
    padding-left: 1rem;
}

.feature-list i {
    font-size: 0.5rem;
    color: var(--pure-white);
    flex-shrink: 0;
}

.feature-list span {
    font-size: 0.95rem;
    color: var(--silver);
    font-weight: 300;
}

/* Gallery Carousel Section */
.gallery-section {
    padding: var(--section-padding);
    background: var(--pure-black);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.gallery-header {
    text-align: center;
    margin-bottom: 4rem;
}

.gallery-header h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 200;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

.gallery-header p {
    color: var(--light-gray);
    font-size: 1rem;
    font-weight: 300;
}

/* Carousel Styles */
.carousel {
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    overflow: hidden;
}

.carousel-inner {
    background: var(--charcoal);
}

.carousel-item img {
    width: 100%;
    height: 600px;
    object-fit: contain;
    background: #000;
}

.carousel-control-prev,
.carousel-control-next {
    width: 80px;
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.5), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.carousel-control-next {
    background: linear-gradient(270deg, rgba(0, 0, 0, 0.5), transparent);
}

.carousel:hover .carousel-control-prev,
.carousel:hover .carousel-control-next {
    opacity: 1;
}

.carousel-control-prev-icon,
.carousel-control-next-icon {
    width: 30px;
    height: 30px;
    border: 1px solid var(--pure-white);
    background-image: none;
    position: relative;
}

.carousel-control-prev-icon::before,
.carousel-control-next-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-top: 1px solid var(--pure-white);
    border-right: 1px solid var(--pure-white);
}

.carousel-control-prev-icon::before {
    transform: translate(-30%, -50%) rotate(-135deg);
}

.carousel-control-next-icon::before {
    transform: translate(-70%, -50%) rotate(45deg);
}

.carousel-indicators {
    margin-bottom: 2rem;
}

.carousel-indicators [data-bs-target] {
    width: 40px;
    height: 2px;
    border: none;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 0;
    margin: 0 4px;
    transition: all 0.3s ease;
}

.carousel-indicators .active {
    background: var(--pure-white);
    width: 60px;
}

/* Info Section - Refined */
.info-section {
    padding: var(--section-padding);
    background: var(--charcoal);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.info-card {
    text-align: center;
    padding: 3rem 2rem;
    background: var(--diamond-shine);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 0;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    height: 100%;
}

.info-card:hover {
    background: var(--diamond-reflection);
    border-color: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.info-icon {
    width: 1px;
    height: 80px;
    margin: 0 auto 2rem;
    background: linear-gradient(180deg, transparent, var(--pure-white), transparent);
    opacity: 0.3;
}

.info-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.info-card p {
    color: var(--light-gray);
    font-size: 0.95rem;
    margin: 0;
    font-weight: 300;
    line-height: 1.7;
}

/* Footer - Minimalist */
.footer {
    padding: 3rem 0;
    background: var(--pure-black);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer p {
    color: rgba(255, 255, 255, 0.4);
    margin: 0;
    font-weight: 300;
    font-size: 0.875rem;
}

.footer-link {
    color: var(--silver);
    text-decoration: none;
    transition: color 0.3s ease;
    font-weight: 300;
    font-size: 0.875rem;
}

.footer-link:hover {
    color: var(--pure-white);
}

/* Background Animated Shapes - Subtle Light */
.bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
    z-index: 0;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
    filter: blur(80px);
    animation: float 30s infinite ease-in-out;
}

.shape-1 {
    width: 500px;
    height: 500px;
    top: 20%;
    right: 10%;
    animation-delay: 0s;
}

.shape-2 {
    width: 400px;
    height: 400px;
    bottom: 20%;
    left: 10%;
    animation-delay: -10s;
}

.shape-3 {
    width: 350px;
    height: 350px;
    top: 60%;
    left: 50%;
    animation-delay: -20s;
}

@keyframes float {

    0%,
    100% {
        transform: translate(0, 0);
    }

    33% {
        transform: translate(30px, -30px);
    }

    66% {
        transform: translate(-20px, 20px);
    }
}

/* Responsive Design */
@media (max-width: 991px) {
    :root {
        --section-padding: 5rem 0;
    }

    .hero-content {
        text-align: center;
        margin-bottom: 3rem;
    }

    .showcase-content {
        text-align: center;
        padding: 3rem 0 0 0;
    }

    .showcase-badge {
        top: 1.5rem;
        right: 1.5rem;
        padding: 0.5rem 1rem;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .quote-form-container {
        padding: 2rem 1.5rem;
    }

    .section-description {
        max-width: 100%;
    }

    .carousel-item img {
        height: 400px;
    }
}

@media (max-width: 767px) {
    :root {
        --section-padding: 4rem 0;
    }

    .quote-form-container {
        padding: 2rem 1.25rem;
    }

    .form-header h2 {
        font-size: 1.25rem;
    }

    .features-grid {
        gap: 0.75rem;
    }

    .feature-item {
        padding: 1.5rem;
    }

    .showcase-badge {
        top: 1rem;
        right: 1rem;
        padding: 0.5rem 1rem;
        font-size: 0.65rem;
    }

    .showcase-content {
        padding: 2rem 0 0 0;
    }

    .carousel-item img {
        height: 300px;
    }

    /* Mobile-friendly carousel controls */
    .carousel-control-prev,
    .carousel-control-next {
        width: 60px;
        opacity: 0.8;
    }

    .carousel-control-prev-icon,
    .carousel-control-next-icon {
        width: 40px;
        height: 40px;
    }

    .carousel-indicators {
        margin-bottom: 1rem;
    }

    .carousel-indicators [data-bs-target] {
        width: 30px;
        height: 3px;
        margin: 0 3px;
    }

    .carousel-indicators .active {
        width: 45px;
    }

    .btn-primary {
        padding: 1rem 2rem;
    }

    .footer {
        padding-bottom: 6rem;
    }

    .footer .col-md-6.text-center.text-md-end {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }

    .footer-link {
        padding: 0.75rem 1.5rem;
        display: inline-block;
        font-size: 1rem;
    }
}

/* Invalid Feedback */
.invalid-feedback {
    display: none;
    color: var(--light-gray);
    font-size: 0.75rem;
    margin-top: 0.5rem;
    font-weight: 300;
}

.was-validated .form-control:invalid~.invalid-feedback,
.form-control.is-invalid~.invalid-feedback {
    display: block;
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
    border-color: rgba(255, 255, 255, 0.5);
}

.was-validated .form-control:valid,
.form-control.is-valid {
    border-color: var(--pure-white);
}