:root {
    --primary: #0a4b73;
    --secondary: #3498db;
    --accent: #e74c3c;
    --light: #f8f9fa;
    --dark: #212529;
    --dark-blue: #0a3a5a;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --white: #ffffff;
    --black: #000000;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    scroll-behavior: smooth;
    overflow-x: hidden;
    color: #333;
    line-height: 1.6;
    margin: 0;
}

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

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

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

.section-py {
    padding: 80px 0;
}

.bg-light {
    background-color: var(--light);
}

/* Navigation */
.main-nav {
    background-color: var(--light);
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
    
    z-index: 200;
    padding: 15px 0;
    transition: var(--transition);
}

.main-nav.scrolled {
    padding: 10px 0;
    background-color: rgba(10, 75, 115, 0.95);
    backdrop-filter: blur(10px);
}

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

.nav-brand {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    margin-right: 0px;
    transition: var(--transition);
}

.logo-text {
    height: 30px;
    transition: var(--transition);
}

.main-nav.scrolled .logo-img {
    height: 35px;
}

.main-nav.scrolled .logo-text {
    height: 25px;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
}

.nav-item {
    margin-left: 20px;
    position: relative;
}

.nav-link {
    color: var(--primary);
    font-weight: 500;
    padding: 8px 0;
    position: relative;
    transition: var(--transition);
    display: block;
}

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

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

.nav-button {
    background-color: var(--light);
    color: var(--primary);
    padding: 8px 20px;
    border-radius: 8px;
    font-weight: 600;
    margin-left: 20px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.nav-button:hover {
    background-color: #07304a;
    color: var(--white);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
}

.hamburger {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    position: relative;
    transition: var(--transition);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 3px;
    background-color: var(--primary);
    transition: var(--transition);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

.nav-toggle.active .hamburger {
    background: transparent;
}

.nav-toggle.active .hamburger::before {
    transform: rotate(45deg);
    top: 0;
}

.nav-toggle.active .hamburger::after {
    transform: rotate(-45deg);
    bottom: 0;
}

/* Mobile Menu Modal */
.mobile-menu-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-modal.active {
    display: block;
    opacity: 1;
}

.modal-content {
    position: absolute;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background-color: var(--light);
    padding: 20px;
    transform: translateX(100%);
    transition: transform 0.3s ease;
}

.mobile-menu-modal.active .modal-content {
    transform: translateX(0);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 20px;
}

.modal-logo {
    height: 35px;
}

.close-modal {
    background: none;
    border: none;
    color: white;
    font-size: 2rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.modal-body {
    height: calc(100% - 70px);
    overflow-y: auto;
}

.modal-body .nav-list {
    flex-direction: column;
}

.modal-body .nav-item {
    margin: 0;
}

.modal-body .nav-link {
    padding: 15px 0;
    display: block;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-body .nav-button {
    margin: 20px 0 0;
    width: 100%;
    text-align: center;
}

/* Hero Section */
.hero {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(banner.png);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    padding: 20px 0 80px;
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.hero-text h1 {
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    text-shadow: 1px 1px 3px rgba(0,0,0,0.3);
    margin-bottom: 1.5rem;
}

.hero-lead {
    font-size: 1.25rem;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.3);
    margin-bottom: 2rem;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    align-items: center;
}

.app-badges {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

.app-badge {
    height: 40px;
    transition: var(--transition);
}

.app-badge:hover {
    transform: translateY(-3px);
}

.hero-image img {
    border-radius: 8px;
    box-shadow: var(--shadow);
    display: block;
    margin: 0 auto;
}

/* Section Header */
.section-header {
    margin-bottom: 50px;
    text-align: center;
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 25px;
    font-weight: 800;
    color: var(--primary);
    font-size: 2rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--secondary);
}

.section-title.white {
    color: var(--white);
}

.section-title.white::after {
    background: var(--accent);
}

.section-subtitle {
    color: var(--gray);
    font-size: 1.1rem;
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--white);
    border-radius: 15px;
    padding: 25px;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    border-top: 4px solid var(--secondary);
    cursor: pointer;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--secondary);
    margin-bottom: 1rem;
    transition: var(--transition);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1);
    color: var(--accent);
}

.feature-card h3 {
    color: var(--primary);
    font-weight: 700;
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card p {
    color: var(--gray);
}

/* How To Use */
.how-to-use-container {
    max-width: 900px;
    margin: 0 auto;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.step-card {
    background: var(--white);
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    margin-bottom: 20px;
    transition: var(--transition);
    border-top: 3px solid var(--secondary);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.step-icon {
    font-size: 1.8rem;
    color: var(--secondary);
    margin-bottom: 15px;
}

.step-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary);
}

.step-card p {
    color: var(--gray);
    margin-bottom: 15px;
}

/* Clients */
.clients-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    justify-items: center;
    max-width: 900px;
    margin: 0 auto;
}

.client-card {
    border-radius: 10px;
    overflow: hidden;
    transition: var(--transition);
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    width: 100%;
    max-width: 250px;
}

.client-logo-container {
    background: var(--white);
    border-radius: 10px 10px 0 0;
    transition: var(--transition);
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.client-logo {
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.8;
    transition: var(--transition);
}

.client-footer {
    border-top: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
    background: var(--white);
    text-align: center;
    padding: 1rem;
}

.client-footer h5 {
    font-weight: 600;
    color: var(--primary);
    margin: 0;
}

.client-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.client-card:hover .client-logo {
    transform: scale(1.05);
    filter: grayscale(0%);
    opacity: 1;
}

.client-card:hover .client-footer {
    background-color: var(--primary);
    color: var(--white);
}

.client-card:hover .client-footer h5 {
    color: var(--white);
}

/* Testimonial */
.testimonial-highlight {
    background: var(--white);
    border-radius: 10px;
    border-left: 4px solid var(--accent);
    padding: 20px;
    margin: 50px auto 0;
    max-width: 800px;
}

.testimonial-header {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.testimonial-header h5 {
    font-weight: 600;
    margin: 0;
}

.testimonial-content p {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--dark);
}

/* Video Section */
.video-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--dark-blue) 100%);
    color: var(--white);
}

.video-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.video-content h2 {
    margin-bottom: 20px;
}

.video-lead {
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.video-features {
    margin-bottom: 30px;
}

.video-features li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
}

.video-features i {
    margin-right: 10px;
    color: var(--accent);
}

.video-container {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    background: var(--dark);
}

.video-container video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    object-fit: cover;
    cursor: pointer;
}

/* CTA Section */
.cta-section {
    background-color: var(--light);
    position: relative;
    overflow: hidden;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--primary);
}

.cta-lead {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 40px;
}

.cta-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

input, select, textarea {
    width: 100%;
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid #ddd;
    font-size: 1rem;
    transition: var(--transition);
}

input:focus, select:focus, textarea:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 0.25rem rgba(52, 152, 219, 0.25);
    outline: none;
}

textarea {
    min-height: 120px;
    resize: vertical;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.contact-info h2 {
    margin-bottom: 20px;
}

.contact-text {
    margin-bottom: 30px;
    color: var(--gray);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 20px;
}

.contact-icon {
    font-size: 1.2rem;
    color: var(--primary);
    margin-right: 15px;
    margin-top: 3px;
}

.contact-item h5 {
    font-size: 1.1rem;
    margin-bottom: 5px;
}

.social-links {
    display: flex;
    margin-top: 30px;
    gap: 10px;
}

.contact-form-card {
    background: var(--white);
    border-radius: 10px;
    box-shadow: var(--shadow);
    padding: 30px;
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--primary);
}

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

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark);
}

/* Footer */
.footer {
    background-color: var(--dark-blue);
    color: var(--white);
    padding: 40px 0 20px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    margin-bottom: 40px;
}

.footer-about {
    max-width: 300px;
}

.footer-logo {
    height: 35px;
    margin-bottom: 20px;
}

.footer-text {
    margin-bottom: 20px;
    color: rgba(255,255,255,0.7);
}

.footer-social {
    display: flex;
    gap: 10px;
}

.footer-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-menu li {
    margin-bottom: 10px;
}

.footer-menu a {
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
}

.footer-menu a:hover {
    color: var(--white);
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    text-align: center;
}

.copyright, .credits {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

.credits a {
    color: var(--white);
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 25px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
    text-align: center;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

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

.btn-primary:hover {
    background-color: #2980b9;
    box-shadow: 0 5px 15px rgba(41, 128, 185, 0.3);
}

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

.btn-accent:hover {
    background-color: #c0392b;
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
}

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

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

/* Social Icons */
.social-icon {
    color: var(--white);
    font-size: 1rem;
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    transition: var(--transition);
    text-decoration: none;
}

.social-icon:hover {
    color: var(--white);
    background: var(--secondary);
    transform: translateY(-3px);
}

/* Responsive Styles */
@media (max-width: 992px) {
    .hero-grid,
    .video-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-text,
    .video-content,
    .contact-info {
        order: 1;
    }
    
    .hero-image,
    .video-container,
    .contact-form-container {
        order: 2;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-toggle {
        display: block;
    }
    
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .section-py {
        padding: 60px 0;
    }
    
    .hero {
        padding: 100px 0 60px;
        background-attachment: scroll;
    }
    
    .hero h1 {
        font-size: 2rem;
    }
    
    .hero-lead {
        font-size: 1.1rem;
    }
    
    .section-title {
        font-size: 1.6rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
    }
    
    .logo-text {
        display: none;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    .app-badge {
        height: 35px;
    }
}

@media (max-width: 576px) {
    
    .nav-container{
        display: flex;
        justify-content: space-around;
    }
    .hero h1 {
        font-size: 1.8rem;
        text-align: center;
    }
    .hero-lead{
        display: flex;
        width: 50%;
        margin: auto;
    }
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        
    }
    
    .section-title {
        font-size: 1.4rem;
    }
    
    .features-grid,
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .hero-image img {
        display: none;
    }
    .clients-grid {
        grid-template-columns: 1fr 1fr;
    }
    
}