/* Design System & Variables */
:root {
    --primary: #0a4a75; /* Deep Professional Blue */
    --primary-light: #1565a1;
    --secondary: #20c997; /* Medical Mint/Teal */
    --accent: #f8f9fa;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --bg-light: #f4fcff;
    --white: #ffffff;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
}

/* Typography Helpers */
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(10, 74, 117, 0.3);
}

.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(10, 74, 117, 0.4);
}

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

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

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

section {
    padding: 100px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-title p {
    color: var(--text-muted);
    max-width: 600px;
    margin: 0 auto;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 20px 0;
    transition: var(--transition);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

nav.scrolled {
    padding: 15px 0;
    box-shadow: var(--shadow);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 10px;
    z-index: 1010;
}

@media (max-width: 576px) {
    .logo {
        font-size: 1.2rem;
    }
    .logo span {
        max-width: 120px;
        line-height: 1.1;
    }
}

.nav-links {
    display: flex;
    gap: 40px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--primary);
    cursor: pointer;
    z-index: 1010;
}

.mobile-only-btn {
    display: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: var(--transition);
    padding: 10px 0;
}

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

/* Hero Section */
.hero {
    padding: 180px 0 120px;
    background: radial-gradient(circle at top right, #eef7ff 0%, #ffffff 50%);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content h1 {
    font-size: 4rem;
    margin-bottom: 24px;
}

.hero-content p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.hero-ctas {
    display: flex;
    gap: 20px;
}

.hero-image {
    position: relative;
}

.hero-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-hover);
}

/* Trust Bar */
.trust-bar {
    padding: 60px 0;
    background: var(--bg-light);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.trust-flex {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-wrap: wrap;
    gap: 30px;
}

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

.trust-item span {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
}

.trust-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
}

/* Card UI */
.card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
}

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

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-icon {
    width: 60px;
    height: 60px;
    background: rgba(10, 74, 117, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
    font-size: 1.5rem;
}

/* Gallery Grid */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.gallery-item {
    height: 300px;
    overflow: hidden;
    border-radius: var(--border-radius);
    position: relative;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

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

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

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

/* Floating WhatsApp */
.whatsapp-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: #25d366;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
    z-index: 1000;
    transition: var(--transition);
}

@media (max-width: 576px) {
    .whatsapp-btn {
        bottom: 15px;
        right: 15px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
}

.whatsapp-btn:hover {
    transform: scale(1.1);
}

/* Why Choose Us */
.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.why-item {
    text-align: left;
    padding: 30px;
    background: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border-left: 5px solid var(--primary);
}

.why-item i {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: 20px;
}

.why-item h3 {
    margin-bottom: 12px;
}

/* Section Contrast */
section:nth-child(even) {
    background-color: var(--bg-light);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeInUp 1s ease-out;
}

/* Responsive */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    .hero-content h1 {
        font-size: 2.8rem;
    }
    .hero-ctas {
        justify-content: center;
    }
    
    /* Mobile Menu Styles */
    .menu-toggle {
        display: block;
    }
    
    .desktop-only-btn {
        display: none;
    }
    
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 300px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        box-shadow: -10px 0 30px rgba(0,0,0,0.1);
        transition: var(--transition);
        z-index: 1005;
    }
    
    .nav-links.active {
        right: 0;
    }
    
    .nav-links a {
        font-size: 1.4rem;
        font-weight: 600;
        padding: 20px 0;
        width: 100%;
        text-align: center;
        border-bottom: 1px solid rgba(0,0,0,0.05);
    }
    
    .nav-links a:last-of-type {
        border-bottom: none;
    }
    
    .mobile-only-btn {
        display: inline-block;
        margin-top: 20px;
    }

    .hero {
        padding: 120px 0 60px;
    }
    .section-title h2 {
        font-size: 2rem;
    }
    .trust-flex {
        gap: 20px;
    }
    .gallery-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 100px 0 40px;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .hero-content p {
        font-size: 1rem;
    }
    .hero-ctas {
        flex-direction: column;
        gap: 15px;
    }
    .btn {
        width: 100%;
        text-align: center;
        padding: 12px 24px;
    }
    .nav-content {
        padding: 0 15px;
    }
    .nav-content .btn-primary {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
}