:root {
    --primary-color: #00a8e8;
    --secondary-color: #003459;
    --accent-color: #ff5722;
    --text-color: #333;
    --light-bg: #f8f9fa;
    --dark-bg: #111;
    --font-main: 'Outfit', 'Inter', sans-serif;
    --whatsapp-color: #25d366;
}

body {
    font-family: var(--font-main);
    margin: 0;
    padding: 0;
    color: var(--text-color);
    background-color: var(--light-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Header & Nav */
header {
    background: #fff;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-bar {
    background: var(--secondary-color);
    color: white;
    padding: 8px 20px;
    font-size: 14px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-bar a { color: white; text-decoration: none; margin-left: 15px; transition: 0.3s;}
.top-bar a:hover { color: var(--primary-color); }

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.logo {
    font-size: 28px;
    font-weight: 800;
    color: var(--secondary-color);
    text-decoration: none;
    letter-spacing: -1px;
}
.logo span {
    color: var(--primary-color);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 30px;
    margin: 0;
    padding: 0;
}

nav a {
    text-decoration: none;
    color: var(--secondary-color);
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    padding: 8px 0;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    width: 0%;
    height: 3px;
    bottom: 0;
    left: 0;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

nav a:hover {
    color: var(--primary-color);
}
nav a:hover::after {
    width: 100%;
}

.mobile-menu-btn {
    display: none;
    font-size: 24px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--secondary-color);
}

/* Slider */
.slider-container {
    width: 100%;
    height: 70vh;
    position: relative;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    background-size: cover;
    background-position: center;
}

.slide.active {
    opacity: 1;
}

.slide-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: transparent;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: 20px;
}

.slide-overlay h2 {
    font-size: 50px;
    margin-bottom: 20px;
    text-shadow: 2px 2px 15px rgba(0,0,0,0.8), -1px -1px 5px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.3);
    color: white;
    border: none;
    font-size: 30px;
    padding: 15px 20px;
    cursor: pointer;
    z-index: 10;
    border-radius: 50%;
    transition: background 0.3s, transform 0.3s;
}
.slider-arrow:hover {
    background: var(--primary-color);
}
.prev-arrow { left: 20px; }
.next-arrow { right: 20px; }

/* Sections */
.section {
    padding: 80px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    text-align: center;
    font-size: 36px;
    color: var(--secondary-color);
    margin-bottom: 50px;
    position: relative;
}
.section-title::after {
    content: '';
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 2px;
}

/* Features/Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    text-align: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    border-bottom: 4px solid transparent;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,168,232,0.15);
    border-color: var(--primary-color);
}

.service-card h3 {
    color: var(--secondary-color);
    margin-bottom: 15px;
    font-size: 22px;
}

/* Page Content */
.page-content {
    background: white;
    padding: 50px;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

/* Form */
.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}
.contact-form .full {
    grid-column: 1 / -1;
}
.contact-form input, .contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-main);
    box-sizing: border-box;
    transition: border-color 0.3s;
}
.contact-form input:focus, .contact-form textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}
.btn-main {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.3s, transform 0.2s;
}
.btn-main:hover {
    background: #008ecc;
    transform: scale(1.02);
}

/* Gallery Public */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 15px;
}
.gallery-grid img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: 8px;
    transition: transform 0.4s, filter 0.4s;
    cursor: pointer;
}
.gallery-grid img:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
    box-shadow: 0 10px 20px rgba(0,0,0,0.2);
}

/* Footer */
footer {
    background: var(--secondary-color);
    color: white;
    padding: 60px 20px 20px;
}
.footer-grid {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}
.footer-grid h4 {
    color: var(--primary-color);
    font-size: 20px;
    margin-bottom: 20px;
}
.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 14px;
    color: #aaa;
}

/* Floating Buttons */
.floating-btns {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 28px;
    text-decoration: none;
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
    transition: transform 0.3s;
}
.float-btn:hover {
    transform: scale(1.1) translateY(-5px);
}
.whatsapp-btn { background-color: var(--whatsapp-color); }
.call-btn { background-color: var(--primary-color); display: none; }

/* Responsive */
@media (max-width: 768px) {
    .nav-container { padding: 15px 20px; }
    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        padding: 20px 0;
    }
    nav ul.show { display: flex; }
    nav ul li { text-align: center; }
    .mobile-menu-btn { display: block; }
    
    .contact-form { grid-template-columns: 1fr; }
    .slider-container { height: 50vh; }
    .slide-overlay h2 { font-size: 30px; }
    
    .call-btn { display: flex; } /* Show call button on mobile */
    .top-bar { display: none; }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}