:root {
    --primary-color: #3aaee0; 
    --primary-hover: #2997c6;
    --text-dark: #333333;
    --text-light: #666666;
    --bg-white: #ffffff;
    --bg-light: #f5f8fa;
    --dark-blue: #1a365d;
    --error-red: #e74c3c;
    --border-radius: 4px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-light);
    background-color: var(--bg-white);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-dark);
    font-weight: 300;
    line-height: 1.2;
}

strong {
    font-weight: 600;
}

.text-blue {
    color: var(--primary-color);
}

.mb-20 { margin-bottom: 20px; }
.mt-20 { margin-top: 20px; }
.mt-10 { margin-top: 10px; }

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

.section {
    padding: 90px 0;
}

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

.section-title {
    font-size: 2.5rem;
    color: var(--text-dark);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.title-line {
    height: 3px;
    width: 50px;
    background-color: var(--primary-color);
    margin-bottom: 25px;
}

.title-line-center {
    height: 3px;
    width: 50px;
    background-color: var(--primary-color);
    margin: 0 auto 25px;
}

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

.lead-text {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    color: var(--text-light);
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: 0.95rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 2px solid transparent;
    cursor: pointer;
}

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

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

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

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.link-arrow {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    display: inline-block;
    margin-top: 15px;
}

.link-arrow:hover {
    color: var(--dark-blue);
    transform: translateX(5px);
}

.navbar-light {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--bg-white);
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    z-index: 1000;
    padding: 15px 0;
    transition: var(--transition);
}

.nav-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    gap: 12px;
}

.logo-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    line-height: 1;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text strong {
    color: var(--text-dark);
    font-size: 1.2rem;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--text-light);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 35px;
}

.nav-links a {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    background: transparent;
    border: none;
    cursor: pointer;
}

.menu-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition);
}