:root {
    --primary-dark: #0a1929;
    --primary-green: #1a472a;
    --accent-teal: #2a9d8f;
    --light-text: #f8f9fa;
    --dark-text: #212529;
    --card-bg: #14213d;
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: var(--primary-dark);
    color: var(--light-text);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    color: white;
    text-decoration: none; /* Optional: removes underline */
  }
  
  a:visited {
    color: white;
  }
  
  a:active {
    color: #cccccc; /* Light gray when clicked/active */
  }


.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
header {
    background-color: rgba(10, 25, 41, 0.95);
    padding: 15px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    width: 50px;
    height: 50px;
    margin-right: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-img img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.logo-text h1 {
    font-size: 1.8rem;
    color: var(--accent-teal);
    font-weight: 700;
}

.logo-text p {
    font-size: 0.9rem;
    color: var(--light-text);
    opacity: 0.8;
}

nav ul {
    display: flex;
    list-style: none;
    flex-wrap: wrap;
    gap: 18px;
}

nav ul li {
    margin: 0;
}

nav ul li a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

nav ul li a:hover {
    color: var(--accent-teal);
}

nav ul li a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background-color: var(--accent-teal);
    transition: var(--transition);
}

nav ul li a:hover::after {
    width: 100%;
}

.mobile-menu {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--light-text);
    z-index: 1001;
}

/* Mobile Navigation */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background-color: var(--primary-dark);
    z-index: 999;
    padding: 100px 30px 30px;
    transition: var(--transition);
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    overflow-y: auto;
}

.mobile-nav.active {
    right: 0;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav ul li {
    margin-bottom: 20px;
}

.mobile-nav ul li a {
    color: var(--light-text);
    text-decoration: none;
    font-size: 1.2rem;
    display: block;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.mobile-nav ul li a:hover {
    color: var(--accent-teal);
    padding-left: 10px;
}

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    z-index: 998;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
}

.overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    text-align: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--hero-background, url('./assets/background_site_3.webp'));
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        to bottom,
        rgba(10, 25, 41, 0.7) 0%,
        rgba(10, 25, 41, 0.7) 75%,
        rgba(20, 33, 61, 1) 100%
    );
    z-index: -1;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 20px;
}

.contact-form .alert {
    background-color: var(--primary-green);
    color: var(--light-text);
    padding: 10px 20px;
    border-radius: 5px;
    margin-bottom: 20px;
}

.contact-form .captcha-group {
    display: grid;
    gap: 10px;
}

.contact-form .captcha-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.contact-form .captcha-refresh {
    background: transparent;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: var(--light-text);
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
}

.contact-form .captcha-refresh:hover {
    border-color: var(--accent-teal);
    color: var(--accent-teal);
}

.contact-form .captcha-refresh:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.contact-form .loading-button {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}

.contact-form .loading-button .spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--accent-teal);
    border-top: 2px solid transparent;
    border-radius: 50%;
    animation: spinner 1s linear infinite;
}

@keyframes spinner {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    color: var(--light-text);
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--light-text);
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-teal);
    color: white;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(42, 157, 143, 0.3);
}

.cta-button:hover {
    background-color: #23857a;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(42, 157, 143, 0.4);
}

.hero-features {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 24px;
}

.hero-features li {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background-color: rgba(255, 255, 255, 0.08);
    padding: 10px 16px;
    border-radius: 999px;
    font-size: 0.95rem;
}

/* Services Section */
.services {
    padding: 100px 0;
    background: linear-gradient(
        rgba(20, 33, 61, 0.95) 0%,
        rgba(20, 33, 61, 1) 20%,
        rgba(20, 33, 61, 1) 80%,
        rgba(10, 25, 41, 0.95) 100%
    );
}

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

.section-title h2 {
    font-size: 2.5rem;
    color: var(--accent-teal);
    margin-bottom: 15px;
}

.section-title p {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.8;
}

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

.service-card {
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
    border-color: var(--accent-teal);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--accent-teal);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    opacity: 0.8;
}

/* Advantages Section */
.advantages {
    padding: 100px 0;
    background: linear-gradient(
        rgba(10, 25, 41, 0.95) 0%,
        rgba(10, 25, 41, 1) 20%,
        rgba(10, 25, 41, 1) 80%,
        rgba(20, 33, 61, 0.95) 100%
    );
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.advantage-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.advantage-icon {
    background-color: var(--primary-green);
    color: var(--accent-teal);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-right: 20px;
    flex-shrink: 0;
}

.advantage-text h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

/* Contact Section */
.contact {
    padding: 100px 0;
    background: linear-gradient(
        rgba(20, 33, 61, 0.95) 0%,
        rgba(20, 33, 61, 1) 20%,
        rgba(20, 33, 61, 1) 80%,
        rgba(10, 25, 41, 1) 100%
    );
}

.contact-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
}

.contact-item {
    display: flex;
    align-items: center;
    margin-bottom: 25px;
}

.contact-icon {
    background-color: var(--primary-green);
    color: var(--accent-teal);
    width: 50px;
    height: 50px;
    min-width: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-right: 15px;
    flex-shrink: 0;
}

.contact-text {
    flex: 1;
    min-width: 0;
}

.contact-text h3 {
    font-size: 1.2rem;
    margin-bottom: 5px;
}

.contact-text p {
    word-break: break-word;
    overflow-wrap: break-word;
}

.contact-form {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.contact-form .alert {
    margin-bottom: 20px;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.95rem;
    display: none;
}

.contact-form .alert.alert-success {
    display: block;
    background: rgba(42, 157, 143, 0.15);
    border: 1px solid rgba(42, 157, 143, 0.4);
    color: #8df5d5;
}

.contact-form .alert.alert-error {
    display: block;
    background: rgba(230, 57, 70, 0.15);
    border: 1px solid rgba(230, 57, 70, 0.4);
    color: #ffb3bd;
}

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

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    color: var(--light-text);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-teal);
    background-color: rgba(255, 255, 255, 0.12);
}

.submit-btn {
    background-color: var(--accent-teal);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 5px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.submit-btn:hover {
    background-color: #23857a;
}

.submit-btn.is-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.7;
}

.submit-btn.is-loading::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.6);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: translateY(-50%) rotate(360deg);
    }
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    padding: 50px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 30px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    color: var(--accent-teal);
}

.footer-bottom {
    margin-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    text-align: center;
    display: grid;
    gap: 12px;
}

.footer-legal {
    display: inline-flex;
    gap: 16px;
    align-items: center;
    justify-content: center;
}

.footer-legal a {
    color: var(--light-text);
    opacity: 0.75;
    text-decoration: none;
    transition: var(--transition);
}

.footer-legal a:hover {
    opacity: 1;
    color: var(--accent-teal);
}

@media (max-width: 992px) {
    .hero h2 {
        font-size: 2.6rem;
    }
}

@media (max-width: 768px) {
    nav ul {
        display: none;
    }

    .mobile-menu {
        display: block;
        position: relative;
        z-index: 1002;
    }

    .mobile-nav {
        padding-top: 120px;
    }

    .hero h2 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .section-title h2 {
        font-size: 2rem;
    }
    
    .logo-img {
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }
    
    .logo-text h1 {
        font-size: 1.5rem;
    }
    
    .logo-text p {
        font-size: 0.8rem;
    }
    
    header {
        padding: 12px 0;
    }
}

@media (max-width: 576px) {
    .hero {
        height: 80vh;
    }

    .services, .advantages, .contact {
        padding: 60px 0;
    }

    .service-card, .contact-form {
        padding: 20px;
    }
    
    .contact-item {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .contact-icon {
        margin-bottom: 10px;
        margin-right: 0;
    }
    
    .logo {
        flex: 1;
    }
    
    .mobile-menu {
        flex-shrink: 0;
    }
}