/* Variables for easy updates */
:root {
    --navy: #1B365D;
    --sage: #6B9A89;
    --orange: #E67E22;
    --text: #2C3E50;
    --bg: #F9F9F9;
    --white: #FFFFFF;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Montserrat', sans-serif;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Nav */
header {
    background: var(--white);
    padding: 20px 0;
    border-bottom: 1px solid #eee;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: padding 0.3s ease, box-shadow 0.3s ease;
}

header.scrolled {
    padding: 10px 0;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    color: var(--navy);
    letter-spacing: 1px;
}

.logo-text {
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 30px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    font-size: 0.9rem;
}

.btn-cta-small {
    background-color: var(--orange);
    color: var(--white) !important;
    padding: 10px 20px;
    border-radius: 5px;
    transition: opacity 0.3s;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 0;
}

.main-symbol img {
    width: 150px;
    margin-bottom: 30px;
}

h1 {
    font-size: 2.5rem;
    color: var(--navy);
    letter-spacing: 3px;
    margin-bottom: 10px;
}

.section-header {
    text-align: center;
    color: var(--navy);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.subtitle {
    font-size: 1.2rem;
    color: var(--sage);
    font-weight: 400;
}

/* Services Cards */
.services {
    display: flex;
    gap: 30px;
    padding-bottom: 100px;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    align-items: stretch;
}

.card {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
    max-width: 330px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.card .icon {
    font-size: 2rem;
    margin-bottom: 15px;
}

.card.proarc {
    background: #19633a;
    color: #fcefca;
}

.card-image {
    width: 150px;
    margin-bottom: 10px;
}

.card-image img {
    width: 100%;
}

/* Footer CTA */
footer {
    background-color: var(--navy);
    color: var(--white);
    padding: 50px 0;
}

.footer-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.btn-cta-large {
    background-color: var(--orange);
    color: var(--white);
    text-decoration: none;
    padding: 15px 35px;
    border-radius: 5px;
    font-weight: bold;
    display: inline-block;
}

.btn-cta-large:hover, .btn-cta-small:hover {
    filter: brightness(1.1);
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    /* Simplified for example */
    h1 {
        font-size: 1.8rem;
    }

    .footer-bar {
        text-align: center;
        justify-content: center;
    }
}