:root {
    /* Color Palette */
    --primary: #0066FF;
    --primary-dark: #0052CC;
    --secondary: #1A1A1A;
    --accent: #EBF3FF;
    --white: #FFFFFF;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;

    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-heading: 'Inter', system-ui, -apple-system, sans-serif;

    /* Layout */
    --container-max-width: 1200px;
    --header-height: 90px;

    /* Transitions */
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    font-weight: 300;
    line-height: 1.6;
    color: var(--gray-800);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    gap: 0.5rem;
    font-size: 0.95rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white);
    border: none;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 102, 255, 0.2);
}

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

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

/* Header */
.header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    background-color: var(--white);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

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

.logo-img {
    height: 80px;
    width: auto;
    display: block;
}

.footer-logo .logo-img-footer {
    height: 100px;
    width: auto;
    filter: invert(1) contrast(3) brightness(0.6);
    mix-blend-mode: screen;
    opacity: 0.9;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--gray-600);
}

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

/* Hero Section */
.hero {
    min-height: calc(100vh - var(--header-height));
    background: linear-gradient(to bottom, rgba(0, 5, 20, 0.8), rgba(0, 5, 20, 0.9)), url('hero_bg.png') no-repeat center center/cover;
    display: flex;
    align-items: center;
    color: var(--white);
    position: relative;
    padding: 4rem 0;
}

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

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: rgba(0, 102, 255, 0.2);
    border: 1px solid var(--primary);
    border-radius: 4px;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
    color: var(--primary);
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 200;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero h1 span {
    color: var(--primary);
    font-weight: 500;
}

.hero p {
    font-size: 1.1rem;
    color: var(--gray-300);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-btns {
    display: flex;
    gap: 1.5rem;
}

/* About Section */
.about {
    padding: 6rem 0;
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    width: 100%;
    height: auto;
    max-height: 400px;
    object-fit: contain;
    padding: 2rem;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary);
    color: var(--white);
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0, 102, 255, 0.3);
}

.about-badge {
    color: var(--primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: block;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--gray-600);
    margin-bottom: 2rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.feature-item {
    background-color: var(--gray-50);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
}

.feature-icon {
    width: 24px;
    height: 24px;
    color: var(--primary);
    margin: 0 auto 1rem;
}

.feature-item h4 {
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.feature-item p {
    font-size: 0.8rem;
    margin-bottom: 0;
}

/* Services Grid */
.services {
    padding: 6rem 0;
    background-color: var(--gray-50);
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.service-card {
    background-color: var(--white);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.05);
    border-color: var(--primary);
}

.service-icon {
    width: 40px;
    height: 40px;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--gray-500);
    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(--gray-700);
}

.service-list li i {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary);
}

/* CTA Section */
.cta-banner {
    padding: 4rem 0;
    background-color: var(--primary);
    color: var(--white);
    text-align: center;
}

.cta-banner h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.cta-banner p {
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

.cta-btns {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
}

.btn-white {
    background-color: var(--white);
    color: var(--primary);
}

.btn-dark {
    background-color: var(--secondary);
    color: var(--white);
}

/* Footer */
.footer {
    padding: 4rem 0 2rem;
    background-color: var(--secondary);
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-info p {
    font-size: 0.85rem;
    opacity: 0.6;
    margin-top: 1rem;
    margin-bottom: 1.5rem;
}

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

.social-link {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.social-link:hover {
    background-color: var(--primary);
}

.footer h4 {
    margin-bottom: 1.5rem;
    font-size: 1.1rem;
}

.contact-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    gap: 0.75rem;
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .about-grid {
        grid-template-columns: 1fr;
    }

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

    .nav-links {
        display: none;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Service Pages Specific Styles */
.service-hero {
    padding: 6rem 0 4rem;
    background: linear-gradient(135deg, var(--secondary) 0%, var(--gray-900) 100%);
    color: var(--white);
    text-align: center;
}

.service-hero .service-icon {
    width: 60px;
    height: 60px;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.service-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.service-hero p {
    color: var(--gray-400);
    max-width: 600px;
    margin: 0 auto;
}

.service-detail {
    padding: 6rem 0;
    background-color: var(--white);
}

.service-detail-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.service-detail-content h2 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.service-detail-content h3 {
    font-size: 1.25rem;
    margin: 2rem 0 1rem;
    color: var(--primary);
}

.service-detail-content p {
    margin-bottom: 1.5rem;
    color: var(--gray-600);
}

.norm-list {
    background-color: var(--gray-50);
    padding: 2rem;
    border-radius: 12px;
    border-left: 4px solid var(--primary);
}

.norm-list h4 {
    margin-bottom: 1rem;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

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

.norm-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.service-image-placeholder {
    width: 100%;
    aspect-ratio: 4/3;
    background-color: var(--gray-100);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    border: 1px dashed var(--gray-300);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 500;
    margin-bottom: 2rem;
}

.back-link:hover {
    gap: 0.75rem;
}

/* Update service card to show pointer and transition */
.service-card {
    cursor: pointer;
    text-decoration: none;
    display: block;
    color: inherit;
}

/* Responsiveness adjustments for Detail Page */
@media (max-width: 768px) {
    .service-detail-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .service-hero h1 {
        font-size: 2.25rem;
    }
}

/* Contact Form Styles */
.contact-form-section {
    padding: 6rem 0;
    background-color: var(--gray-50);
}

.contact-form {
    max-width: 800px;
    margin: 3rem auto 0;
    background-color: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-200);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

@media (max-width: 640px) {
    .form-grid {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 2rem;
    }
}