/* ===============================================
   CSS Reset & Base Styles
   =============================================== */

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

:root {  --primary-color: #6db1ed;
 --primary-dark: #6db1ed;
 --secondary-color: #1a1a2e;
 --accent-color: #93e2c9;
 --text-dark: #2c3e50;
 --text-light: #7f8c8d;
 --white: #ffffff;
 --light-bg: #f8f9fa;
 --border-color: #e0e0e0;
 --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
 --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
 --transition: all 0.3s ease;
}

html { scroll-behavior: smooth; }

body {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
line-height: 1.6;
color: var(--text-dark);
background-color: var(--white);
}

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

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

/* ===============================================
   Header & Navigation
   =============================================== */

.header {
position: fixed;
top: 0;
left: 0;
right: 0;
background-color: var(--white);
box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
z-index: 1000;
transition: var(--transition);
}

.header.scrolled { box-shadow: var(--shadow); }

.navbar {
display: flex;
justify-content: space-between;
align-items: center;
padding: 1rem 0;
}

.logo-text {
font-size: 1.5rem;
font-weight: 700;
color: var(--secondary-color);
}

.logo-highlight { color: var(--primary-color); }

.nav-menu {
display: flex;
list-style: none;
gap: 2rem;
}

.nav-link {
text-decoration: none;
color: var(--text-dark);
font-weight: 500;
transition: var(--transition);
position: relative;
}

.nav-link::after {
content: '';
position: absolute;
bottom: -5px;
left: 0;
width: 0;
height: 2px;
background-color: var(--primary-color);
transition: var(--transition);
}

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

.nav-link:hover::after, .nav-link.active::after { width: 100%; }

.mobile-toggle {
display: none;
flex-direction: column;
gap: 5px;
background: none;
border: none;
cursor: pointer;
padding: 5px;
}

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

.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(8px, 8px); }

.mobile-toggle.active span:nth-child(2) { opacity: 0; }

.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(7px, -7px); }

/* ===============================================
   Hero Slider Section
   =============================================== */

.hero-slider {
position: relative;
height: 100vh;
margin-top: 70px;
overflow: hidden;
}

.slider-container {
position: relative;
height: 100%;
}

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

.slide.active { opacity: 1; }

.slide-bg {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-size: cover;
background-position: center;
}

.slide-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(135deg, rgba(0, 102, 204, 0.8), rgba(26, 26, 46, 0.7));
}

.slide-content {
position: relative;
height: 100%;
display: flex;
align-items: center;
z-index: 1;
}

.slide-title {
font-size: 3rem;
font-weight: 700;
color: var(--white);
margin-bottom: 1rem;
line-height: 1.2;
}

.slide-text {
font-size: 1.25rem;
color: var(--white);
margin-bottom: 2rem;
max-width: 600px;
line-height: 1.5;
}

.btn {
display: inline-block;
padding: 1rem 2.5rem;
text-decoration: none;
border-radius: 5px;
font-weight: 600;
transition: var(--transition);
border: none;
cursor: pointer;
}

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

.btn-primary:hover {
background-color: var(--primary-dark);
transform: translateY(-2px);
box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.slider-btn {
position: absolute;
top: 50%;
transform: translateY(-50%);
background-color: rgba(255, 255, 255, 0.3);
border: none;
color: var(--white);
padding: 1rem;
cursor: pointer;
transition: var(--transition);
z-index: 2;
border-radius: 5px;
}

.slider-btn:hover { background-color: rgba(255, 255, 255, 0.5); }

.slider-btn.prev { left: 20px; }

.slider-btn.next { right: 20px; }

.slider-dots {
position: absolute;
bottom: 30px;
left: 50%;
transform: translateX(-50%);
display: flex;
gap: 10px;
z-index: 2;
}

.dot {
width: 12px;
height: 12px;
border-radius: 50%;
background-color: rgba(255, 255, 255, 0.5);
cursor: pointer;
transition: var(--transition);
}

.dot.active {
background-color: var(--white);
width: 30px;
border-radius: 6px;
}

/* ===============================================
   Features Section
   =============================================== */

.features {
padding: 5rem 0;
background-color: var(--light-bg);
}

.features-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
gap: 2rem;
}

.feature-card {
background-color: var(--white);
padding: 2.5rem;
border-radius: 10px;
text-align: center;
transition: var(--transition);
box-shadow: var(--shadow);
}

.feature-card:hover {
transform: translateY(-10px);
box-shadow: var(--shadow-lg);
}

.feature-icon {
color: var(--primary-color);
margin-bottom: 1.5rem;
}

.feature-title {
font-size: 1.5rem;
margin-bottom: 1rem;
color: var(--secondary-color);
}

.feature-text {
color: var(--text-light);
line-height: 1.8;
}

/* ===============================================
   Section Headers
   =============================================== */

.section-header {
text-align: center;
margin-bottom: 4rem;
}

.section-title {
font-size: 2.5rem;
color: var(--secondary-color);
margin-bottom: 1rem;
position: relative;
display: inline-block;
}

.section-title::after {
content: '';
position: absolute;
bottom: -10px;
left: 50%;
transform: translateX(-50%);
width: 60px;
height: 3px;
background-color: var(--primary-color);
}

.section-subtitle {
font-size: 1.1rem;
color: var(--text-light);
max-width: 800px;
margin: 2rem auto 0;
line-height: 1.8;
}

/* ===============================================
   About Section
   =============================================== */

.about {
padding: 5rem 0;
background-color: var(--white);
}

.about-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
gap: 2rem;
}

.about-card {
background-color: var(--light-bg);
border-radius: 10px;
overflow: hidden;
transition: var(--transition);
}

.about-card:hover {
transform: translateY(-5px);
box-shadow: var(--shadow-lg);
}

.about-image {
height: 250px;
overflow: hidden;
}

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

.about-card:hover .about-image img { transform: scale(1.1); }

.about-content { padding: 2rem; }

.about-card-title {
font-size: 1.5rem;
color: var(--secondary-color);
margin-bottom: 1rem;
}

.about-card-text {
color: var(--text-light);
line-height: 1.8;
}

/* ===============================================
   Services Section
   =============================================== */

.services {
padding: 5rem 0;
background-color: var(--light-bg);
}

.services-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
gap: 2rem;
}

.service-card {
background-color: var(--white);
padding: 2rem;
border-radius: 10px;
transition: var(--transition);
box-shadow: var(--shadow);
}

.service-card:hover {
transform: translateY(-5px);
box-shadow: var(--shadow-lg);
border-left: 4px solid var(--primary-color);
}

.service-icon {
color: var(--accent-color);
margin-bottom: 1rem;
}

.service-title {
font-size: 1.25rem;
color: var(--secondary-color);
margin-bottom: 1rem;
}

.service-text {
color: var(--text-light);
line-height: 1.8;
}

/* ===============================================
   Facts Section
   =============================================== */

.facts {
padding: 5rem 0;
background-image: url('https://images.pexels.com/photos/3184291/pexels-photo-3184291.jpeg?auto=compress&cs=tinysrgb&w=1920');
background-size: cover;
background-position: center;
background-attachment: fixed;
position: relative;
}

.facts-overlay {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: rgba(0, 102, 204, 0.9);
}

.facts .container {
position: relative;
z-index: 1;
}

.facts-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
gap: 3rem;
}

.fact-item {
text-align: center;
color: var(--white);
}

.fact-number {
font-size: 3rem;
font-weight: 700;
margin-bottom: 0.5rem;
}

.fact-label {
font-size: 1.2rem;
text-transform: uppercase;
letter-spacing: 1px;
}

/* ===============================================
   Contact Section
   =============================================== */

.contact {
padding: 5rem 0;
background-color: var(--white);
}

.contact-grid {
grid-template-columns: 1fr 1.5fr;
gap: 3rem;
}

.contact-info {
display: flex;
flex-direction: row;
gap: 2rem;
}

.contact-info-item {
display: flex;
gap: 1.5rem;
width: 50%;
}

.contact-info-icon {
color: var(--primary-color);
flex-shrink: 0;
}

.contact-info-content h4 {
font-size: 1.2rem;
margin-bottom: 0.5rem;
color: var(--secondary-color);
}

.contact-info-content p {
color: var(--text-light);
line-height: 1.8;
}

.contact-form-wrapper { position: relative; }

.contact-form {
background-color: var(--light-bg);
padding: 2.5rem;
border-radius: 10px;
}

.form-group { margin-bottom: 1.5rem; }

.form-input {
width: 100%;
padding: 1rem;
border: 1px solid var(--border-color);
border-radius: 5px;
font-size: 1rem;
transition: var(--transition);
font-family: inherit;
}

.form-input:focus {
outline: none;
border-color: var(--primary-color);
box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.btn-full { width: 100%; }

.form-success {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
background-color: var(--white);
border-radius: 10px;
display: none;
flex-direction: column;
align-items: center;
justify-content: center;
text-align: center;
padding: 2rem;
box-shadow: var(--shadow-lg);
}

.form-success.active { display: flex; }

.form-success svg {
color: #28a745;
margin-bottom: 1rem;
}

.form-success h3 {
color: var(--secondary-color);
margin-bottom: 0.5rem;
}

.form-success p { color: var(--text-light); }

/* ===============================================
   Footer Section
   =============================================== */

.footer {
background-color: var(--secondary-color);
color: var(--white);
padding: 3rem 0 1rem;
}

.footer-grid {
display: grid;
grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
gap: 3rem;
margin-bottom: 2rem;
}

.footer-title {
font-size: 1.5rem;
margin-bottom: 1rem;
}

.footer-text {
color: rgba(255, 255, 255, 0.8);
line-height: 1.8;
}

.footer-heading {
font-size: 1.2rem;
margin-bottom: 1rem;
}

.footer-links, .footer-contact { list-style: none; }

.footer-links li, .footer-contact li { margin-bottom: 0.5rem; }

.footer-links a {
color: rgba(255, 255, 255, 0.8);
text-decoration: none;
transition: var(--transition);
}

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

.footer-contact li { color: rgba(255, 255, 255, 0.8); }

.footer-bottom {
text-align: center;
padding-top: 2rem;
border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p { color: rgba(255, 255, 255, 0.6); }

/* ===============================================
   Responsive Design
   =============================================== */

@media (max-width: 768px) {

.mobile-toggle { display: flex; }

.nav-menu {
position: fixed;
top: 70px;
left: -100%;
flex-direction: column;
background-color: var(--white);
width: 100%;
padding: 2rem;
box-shadow: var(--shadow);
transition: var(--transition);
}

.nav-menu.active { left: 0; }

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

.slide-text { font-size: 1rem; }

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

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

.slider-btn { padding: 0.5rem; }

.fact-number { font-size: 2.5rem; }
}

@media (max-width: 480px) {

.slide-title { font-size: 1.5rem; }

.slide-text { font-size: 0.9rem; }

.btn { padding: 0.8rem 1.5rem; }

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

.section-title { font-size: 1.75rem; }
}