:root {
    --primary-color: #0c1844;
    /* Dark Blue */
    --primary-light: #273469;
    /* Lighter Blue */
    --accent-color: #ff9f1c;
    /* Bright Orange */
    --accent-hover: #e08c16;
    --text-dark: #1f2937;
    --text-light: #f3f4f6;
    --bg-light: #f9fafb;
    --bg-dark: #111827;
    --transition-speed: 0.3s;
    --font-heading: 'Oswald', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 80px 0;
}

.text-white {
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
    cursor: pointer;
    font-family: var(--font-heading);
    letter-spacing: 1px;
}

.btn-primary {
    background-color: var(--accent-color);
    color: var(--text-dark);
    box-shadow: 0 4px 15px rgba(255, 159, 28, 0.4);
}

.btn-primary:hover {
    background-color: var(--accent-hover);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: var(--text-light);
    color: var(--primary-color);
}

.btn-secondary:hover {
    background-color: #e5e7eb;
}

.btn-outline {
    border: 2px solid var(--text-light);
    color: var(--text-light);
    background: transparent;
}

.btn-outline:hover {
    background: var(--text-light);
    color: var(--primary-color);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 50px;
    color: var(--primary-color);
    position: relative;
    text-transform: uppercase;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--accent-color);
    margin: 15px auto 0;
    border-radius: 2px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(12, 24, 68, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 15px 0;
    transition: transform 0.3s ease, background 0.3s ease, padding 0.3s ease;
}

.navbar.hidden {
    transform: translateY(-100%);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-light);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links li a {
    color: var(--text-light);
    font-weight: 500;
    font-size: 0.95rem;
    text-transform: uppercase;
    position: relative;
}

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

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

.burger {
    display: none;
    cursor: pointer;
}

.burger div {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    margin: 5px;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    height: 100vh;
    width: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: url('bg.jpg') no-repeat center center/cover;
    background-attachment: fixed;
    color: var(--text-light);
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(12, 24, 68, 0.7), rgba(12, 24, 68, 0.5));
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
    padding: 0 20px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
}

.hero h1 .highlight {
    color: var(--accent-color);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    color: var(--text-light);
    font-size: 2rem;
    animation: bounce 2s infinite;
    cursor: pointer;
    z-index: 10;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0) translateX(-50%);
    }

    40% {
        transform: translateY(-10px) translateX(-50%);
    }

    60% {
        transform: translateY(-5px) translateX(-50%);
    }
}

/* About Section */
.about {
    background-color: var(--bg-light);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.about-card {
    background: white;
    padding: 40px 30px;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    text-align: center;
    transition: transform 0.3s;
    border-bottom: 4px solid transparent;
}

.about-card:hover {
    transform: translateY(-10px);
    border-bottom: 4px solid var(--accent-color);
}

.icon-box {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.about-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

/* Services Section */
.services {
    background-color: var(--primary-color);
    position: relative;
    overflow: hidden;
}

.services-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('bg.jpg') no-repeat center center/cover;
    /* Reuse hero or specific texture */
    opacity: 0.1;
    z-index: 0;
    background-attachment: fixed;
}

.services .section-title {
    color: var(--text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    position: relative;
    z-index: 10;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 8px;
    color: var(--text-light);
    transition: all 0.3s ease;
}

.service-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: white;
}

.service-card p {
    color: #cbd5e1;
    margin-bottom: 20px;
    font-size: 0.95rem;
}

.btn-text {
    color: var(--accent-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.btn-text:hover {
    gap: 10px;
}

/* Gallery Section */
.gallery {
    background: url('bg.jpg') no-repeat center center/cover;
    background-attachment: fixed;
    position: relative;
}

.gallery::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 24, 68, 0.85);
    /* Overlay for text readability */
}

.gallery .container {
    position: relative;
    z-index: 10;
}

.gallery .section-title {
    color: var(--text-light);
    /* Ensure title is visible on dark bg */
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    cursor: pointer;
    height: 250px;
}

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

.gallery-item:hover img {
    transform: scale(1.1);
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s;
}

.gallery-item:hover .overlay {
    opacity: 1;
}

.overlay i {
    color: var(--text-light);
    font-size: 2rem;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    padding-top: 60px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
}

.lightbox-content {
    margin: auto;
    display: block;
    width: 80%;
    max-width: 900px;
    max-height: 80vh;
    object-fit: contain;
    animation: zoom 0.6s;
}

@keyframes zoom {
    from {
        transform: scale(0)
    }

    to {
        transform: scale(1)
    }
}

.close-lightbox {
    position: absolute;
    top: 20px;
    right: 35px;
    color: #f1f1f1;
    font-size: 40px;
    font-weight: bold;
    cursor: pointer;
}

/* Testimonials */
.testimonials {
    background-color: var(--bg-light);
    text-align: center;
}

.testimonial-card {
    max-width: 700px;
    margin: 0 auto;
    padding: 30px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.testimonial-card p {
    font-style: italic;
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--text-dark);
}

.testimonial-card h4 {
    color: var(--primary-color);
    font-weight: 700;
}

.stars {
    color: var(--accent-color);
    margin-top: 10px;
}

/* Footer / Contacts */
.footer {
    background-color: var(--primary-color);
    color: var(--text-light);
}

.contact-cta-section {
    padding: 80px 0;
    text-align: center;
    background: url('bg.jpg') no-repeat center center/cover;
    position: relative;
    background-attachment: fixed;
}

.contact-cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(12, 24, 68, 0.85);
}

.contact-cta-section .container {
    position: relative;
    z-index: 10;
}

.contact-cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 40px;
    font-family: var(--font-heading);
}

.contact-info-grid {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.contact-item i {
    font-size: 2.5rem;
    color: var(--accent-color);
}

.contact-item p {
    font-size: 1.2rem;
}

.contact-item a.btn {
    margin-top: 10px;
}

.footer-bottom {
    background-color: #050a1f;
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
    color: #9ca3af;
}

/* Certificate Section */
.certificate {
    background-color: white;
    text-align: center;
    overflow: hidden;
}

.certificate-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
}

.certificate-wrapper {
    position: relative;
    max-width: 800px;
    width: 100%;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    background: #fff;
    padding: 15px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: transform 0.4s ease;
}

.certificate-wrapper:hover {
    transform: translateY(-5px);
}

.certificate-img {
    width: 100%;
    height: auto;
    border-radius: 4px;
    border: 1px solid #eaeaea;
}

/* Shine effect */
.certificate-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0) 0%, rgba(255, 255, 255, 0.3) 100%);
    transform: skewX(-25deg);
    animation: shine 6s infinite;
    pointer-events: none;
}

@keyframes shine {
    0% {
        left: -100%;
    }

    20% {
        left: 200%;
    }

    100% {
        left: 200%;
    }
}

.certificate-text {
    max-width: 600px;
    color: var(--text-dark);
    font-size: 1.1rem;
    line-height: 1.8;
}

/* Calculator Section */
.calculator {
    background-color: var(--bg-light);
}

.calculator-wrapper {
    display: flex;
    justify-content: center;
}

.calculator-card {
    background: white;
    padding: 40px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    width: 100%;
}

.calculator-card h3 {
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.calc-options {
    margin-bottom: 30px;
}

.radio-container {
    display: block;
    position: relative;
    padding-left: 35px;
    margin-bottom: 12px;
    cursor: pointer;
    font-size: 1rem;
    user-select: none;
    color: var(--text-dark);
}

.radio-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 50%;
    border: 1px solid #ccc;
}

.radio-container:hover input~.checkmark {
    background-color: #ccc;
}

.radio-container input:checked~.checkmark {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.calc-input-group {
    margin-bottom: 25px;
}

.label-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
    font-weight: 600;
}

.val-display {
    color: var(--accent-color);
    font-weight: 700;
}

.range-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.slider {
    -webkit-appearance: none;
    width: 100%;
    height: 8px;
    border-radius: 5px;
    background: #d3d3d3;
    outline: none;
    transition: 0.2s;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-color);
    cursor: pointer;
}

.control-btn {
    width: 30px;
    height: 30px;
    background: white;
    border: 1px solid #ccc;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
    color: var(--primary-color);
    transition: all 0.2s;
}

.control-btn:hover {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.calc-result {
    margin-top: 40px;
    border-top: 2px solid #eee;
    padding-top: 20px;
    text-align: right;
}

.price-box {
    margin-bottom: 20px;
}

#total-price {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: #b91c1c;
    /* Redish color like screenshot */
}

.price-box small {
    color: #666;
    font-size: 0.9rem;
}

/* Animations CSS classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-left {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-right {
    opacity: 0;
    transform: translateX(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.fade-in-scale {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in-scale.visible {
    opacity: 1;
    transform: scale(1);
}

/* Pulse animation for CTA */
.pulse-btn {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(255, 159, 28, 0.7);
    }

    70% {
        box-shadow: 0 0 0 15px rgba(255, 159, 28, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(255, 159, 28, 0);
    }
}

/* Contact Form */
.contact-form-container {
    max-width: 600px;
    margin: 50px auto 0;
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 8px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    text-align: left;
}

.contact-form .form-group {
    margin-bottom: 20px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-dark);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: 2px solid var(--accent-color);
}

.contact-form button {
    width: 100%;
    border: none;
}

/* Logo Image */
.logo img {
    height: 60px;
    /* Adjust height as needed */
    width: auto;
}

/* Service Button */
.order-btn {
    width: 100%;
    margin-top: 15px;
    background-color: transparent;
    border: 2px solid var(--accent-color);
    color: var(--accent-color);
    box-shadow: none;
    transition: all 0.3s ease;
}

.order-btn:hover {
    background-color: var(--accent-color);
    color: var(--text-dark);
}

/* Form Select */
.contact-form select {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.9);
    border: none;
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    color: var(--text-dark);
    appearance: none;
    /* Remove default arrow */
    background-image: url("data:image/svg+xml;charset=US-ASCII,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20width%3D%22292.4%22%20height%3D%22292.4%22%3E%3Cpath%20fill%3D%22%231f2937%22%20d%3D%22M287%2069.4a17.6%2017.6%200%200%200-13-5.4H18.4c-5%200-9.3%201.8-12.9%205.4A17.6%2017.6%200%200%200%200%2082.2c0%205%201.8%209.3%205.4%2012.9l128%20127.9c3.6%203.6%207.8%205.4%2012.8%205.4s9.2-1.8%2012.8-5.4L287%2095c3.5-3.5%205.4-7.8%205.4-12.8%200-5-1.9-9.2-5.5-12.8z%22%2F%3E%3C%2Fsvg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 0.65em auto;
}

.contact-form select:focus {
    outline: 2px solid var(--accent-color);
}

/* Updated Responsive Rules */
@media screen and (max-width: 768px) {
    .nav-links {
        position: absolute;
        right: 0px;
        height: 100vh;
        top: 0;
        /* Changed from 60px to cover full height or adjust below nav */
        background-color: rgba(12, 24, 68, 0.95);
        /* Semi-transparent */
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        /* Center items vertically */
        width: 100%;
        /* Full width menu */
        transform: translateX(100%);
        transition: transform 0.5s ease-in;
        z-index: 999;
        padding-top: 60px;
        /* Space for close button if needed, or navbar height */
    }

    .nav-links.nav-active {
        transform: translateX(0%);
    }

    .burger {
        display: block;
        z-index: 1001;
        /* Above mobile menu */
    }

    .burger.toggle .line1 {
        transform: rotate(-45deg) translate(-5px, 6px);
    }

    .burger.toggle .line2 {
        opacity: 0;
    }

    .burger.toggle .line3 {
        transform: rotate(45deg) translate(-5px, -6px);
    }

    .hero h1 {
        font-size: 2.5rem;
    }

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