:root {
    --primary-blue: #1664A4;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    color: #212529;
}

a {
    text-decoration: none;
}

/* ---------- Navigation ---------- */
.navbar-aicollect {
    background-color: var(--primary-blue);
    height: 4rem;
}

.navbar-aicollect .nav-link {
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    font-weight: 500;
}

.navbar-aicollect .nav-link:hover,
.navbar-aicollect .nav-link.active {
    color: #d9d9d9;
}

.navbar-aicollect .btn-outline-light:hover {
    color: var(--primary-blue) !important;
}

.navbar-brand img {
    width: 120px;
    height: 38px;
}

/* ---------- Backgrounds ---------- */
.hero-background {
    background:
        linear-gradient(to top, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)),
        url('../img/hero_bg.jpg') no-repeat;
    background-size: cover;
    min-height: 100vh;
}

.section-background {
    background:
        linear-gradient(to bottom, rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)),
        url('../img/bg_section.jpg') no-repeat;
    background-size: cover;
}

.divider {
    width: 60px;
    height: 3px;
    background-color: var(--primary-blue);
    margin: 0.75rem auto;
}

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

.bg-primary-blue {
    background-color: var(--primary-blue) !important;
}

.btn-primary-blue {
    background-color: var(--primary-blue);
    border-color: var(--primary-blue);
    color: #fff;
}

.btn-primary-blue:hover {
    background-color: #124e80;
    border-color: #124e80;
    color: #fff;
}

/* ---------- Hero ---------- */
.hero-content h1 {
    color: var(--primary-blue);
    font-weight: 700;
}

/* ---------- Features ---------- */
.feature-icon {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--primary-blue);
    border-radius: 0.5rem;
    color: #fff;
}

.feature-item h3 {
    color: var(--primary-blue);
}

/* ---------- Use cases ---------- */
.usecase-card img {
    height: 220px;
    object-fit: cover;
}

.usecase-card h3 {
    color: var(--primary-blue);
}

/* ---------- FAQ ---------- */
.accordion-button {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--primary-blue) !important;
}

.accordion-button:not(.collapsed) {
    background-color: #eaf3fa;
    box-shadow: none;
}

.accordion-button:focus {
    box-shadow: none;
    border-color: rgba(22, 100, 164, 0.25);
}

/* ---------- Contact ---------- */
.contact-image-wrap {
    position: relative;
    min-height: 320px;
}

.contact-image-wrap img {
    object-fit: cover;
}

.contact-card {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 1.5rem;
}

.contact-form .form-control {
    border-radius: 50rem;
    padding: 0.75rem 1.25rem;
}

/* ---------- Footer ---------- */
.footer-aicollect {
    background-color: #1f2937;
    color: #fff;
}

.footer-aicollect a {
    color: #e5e7eb;
}

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

.footer-aicollect img {
    width: 160px;
    height: auto;
}