/* 
    MK Web Studio – Premium Website 
    Industry: Diagnostic Labs
    Author: MK Web Studio
*/

:root {
    --primary-color: #004a99;
    --secondary-color: #00a79d;
    --accent-color: #f39c12;
    --dark-color: #1a1a1a;
    --light-color: #f4f7f6;
    --white: #ffffff;
    --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    --shadow: 0 10px 30px rgba(0,0,0,0.08);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: 'Playfair Display', serif;
    margin-bottom: 1rem;
}

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

.section-padding {
    padding: 100px 0;
}

.text-center { text-align: center; }
.text-white { color: var(--white); }
.bg-light { background-color: var(--light-color); }
.bg-dark { background-color: var(--dark-color); }
.subtitle {
    display: block;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
    color: var(--secondary-color);
    font-weight: 700;
    margin-bottom: 10px;
}

/* Announcement Bar */
.announcement-bar {
    background: var(--primary-color);
    color: white;
    padding: 10px 40px 10px 20px;
    text-align: center;
    font-size: 0.9rem;
    position: relative;
    z-index: 1001;
}

.close-announcement {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Navbar */
.navbar {
    height: 80px;
    display: flex;
    align-items: center;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    font-weight: 700;
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--primary-color);
    display: flex;
    align-items: center;
}

.logo span { color: var(--secondary-color); }
.logo-icon { margin-right: 8px; font-size: 1.2rem; }

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--dark-color);
    font-weight: 600;
    transition: var(--transition);
}

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

/* Buttons */
.btn {
    padding: 12px 28px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    display: inline-block;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 167, 157, 0.3);
}

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

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

/* Hero Section */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1579152276502-545a24b93e26?auto=format&fit=crop&q=80&w=1920') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    color: white;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: linear-gradient(to right, rgba(0, 74, 153, 0.8), rgba(0,0,0,0.2));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
}

.text-gradient {
    color: var(--secondary-color);
}

/* Stats */
.stats-section {
    background: var(--white);
    padding: 40px 0;
    margin-top: -50px;
    position: relative;
    z-index: 2;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    box-shadow: var(--shadow);
    background: white;
    border-radius: 15px;
    padding: 40px;
    text-align: center;
}

.stat-item h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: 0.8s all ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: white;
    padding: 40px;
    border-radius: 15px;
    transition: var(--transition);
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--secondary-color);
    box-shadow: var(--shadow);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

/* Process Steps */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.step-num {
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0, 74, 153, 0.1);
    margin-bottom: -20px;
}

/* Testimonial Slider */
.testimonial-slider {
    position: relative;
    max-width: 800px;
    margin: 40px auto;
    text-align: center;
}

.testimonial-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
    display: block;
}

.testimonial-slide p {
    font-size: 1.5rem;
    font-style: italic;
    margin-bottom: 20px;
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
}

.dot {
    width: 12px; height: 12px;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    cursor: pointer;
}

.dot.active { background: var(--secondary-color); }

@keyframes fadeIn {
    from { opacity: 0; } to { opacity: 1; }
}

/* FAQ */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--light-color);
    margin-bottom: 15px;
    border-radius: 8px;
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: 0.3s ease-out;
}

.faq-item.active .faq-answer {
    padding: 0 20px 20px 20px;
    max-height: 200px;
}

/* Contact Form */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

input, select, textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
}

/* Floating Actions */
.floating-btns {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    width: 50px; height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: var(--transition);
}

.whatsapp { background: #25D366; }
.call { background: var(--primary-color); }
.top { background: var(--dark-color); border: none; cursor: pointer; display: none; }

/* Footer */
.footer {
    padding: 80px 0 20px;
    background: #0a0a0a;
    color: #999;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 50px;
}

.footer h4 { color: white; margin-bottom: 20px; }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 10px; }
.footer a { color: #999; text-decoration: none; transition: 0.3s; }
.footer a:hover { color: white; }

.footer-bottom {
    border-top: 1px solid #222;
    padding-top: 20px;
    font-size: 0.8rem;
}

.mk-credit a { color: var(--secondary-color); font-weight: bold; }

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 25px; height: 3px;
    background: var(--primary-color);
}

/* Responsive */
@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .grid-2 { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-links {
        display: none; /* Add JS to toggle */
    }
    .mobile-menu-toggle { display: flex; }
    .section-padding { padding: 60px 0; }
    .hero h1 { font-size: 2.5rem; }
}