/* ===== Google Fonts ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:opsz,wght@14..32,400;14..32,500;14..32,600;14..32,700&display=swap');

/* ===== Reset & Base ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Inter', sans-serif;
    color: #1e293b;
    background-color: #f8fafc;
    line-height: 1.6;
    padding-top: 0px; /* sticky navbar height */
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    color: #0f2b4b;
}

/* ===== Navbar ===== */
.navbar {
    background: #ffffff !important;
    box-shadow: 0 2px 12px rgba(0,0,0,0.06);
    padding: 12px 0;
}
.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #0f2b4b !important;
}
.navbar-brand i {
    color: #1e88e5;
    margin-right: 8px;
}
.nav-link {
    font-weight: 500;
    color: #1e293b !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s;
}
.nav-link:hover,
.nav-link.active {
    color: #1e88e5 !important;
}
.navbar .dropdown-menu {
    border: none;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    border-radius: 12px;
}
.navbar .dropdown-item {
    font-weight: 500;
    padding: 0.5rem 1.2rem;
}
.navbar .dropdown-item:hover {
    background-color: #eef4fa;
    color: #1e88e5;
}

/* ===== Buttons ===== */
.btn-primary {
    background-color: #1e88e5;
    border-color: #1e88e5;
    font-weight: 600;
    border-radius: 50px;
    padding: 0.6rem 1.8rem;
}
.btn-primary:hover {
    background-color: #1565c0;
    border-color: #1565c0;
}
.btn-outline-primary {
    border-color: #1e88e5;
    color: #1e88e5;
    border-radius: 50px;
    font-weight: 600;
}
.btn-outline-primary:hover {
    background-color: #1e88e5;
    color: #fff;
}

/* ===== Hero ===== */
.hero {
    background: linear-gradient(135deg, #e3f0fd 0%, #ffffff 100%);
    padding: 60px 0;
    border-radius: 0 0 40px 40px;
    margin-bottom: 40px;
}
.hero h1 {
    font-size: 2.8rem;
    font-weight: 700;
    color: #0f2b4b;
}
.hero .lead {
    font-size: 1.2rem;
    color: #334155;
}

/* ===== Tracking Form ===== */
.tracking-form {
    background: #fff;
    padding: 30px;
    border-radius: 24px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.06);
}
.tracking-form .input-group {
    border-radius: 50px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.tracking-form .form-control {
    border: 1px solid #dde4eb;
    padding: 14px 20px;
    font-size: 1rem;
    border-radius: 50px 0 0 50px;
}
.tracking-form .btn {
    border-radius: 0 50px 50px 0;
    padding: 14px 30px;
}

/* ===== Cards ===== */
.card {
    border: none;
    border-radius: 20px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.04);
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}
.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}
.card .card-title {
    font-weight: 700;
    color: #0f2b4b;
}
.card .card-icon {
    font-size: 2.4rem;
    color: #1e88e5;
    margin-bottom: 1rem;
}

/* ===== Section Titles ===== */
.section-title {
    font-weight: 700;
    color: #0f2b4b;
    margin-bottom: 2rem;
    position: relative;
    padding-bottom: 0.5rem;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 4px;
    background: #1e88e5;
    border-radius: 2px;
}

/* ===== Breadcrumb ===== */
.breadcrumb {
    background: transparent;
    padding: 0.5rem 0;
    font-size: 0.9rem;
}
.breadcrumb-item a {
    color: #1e88e5;
    text-decoration: none;
}
.breadcrumb-item.active {
    color: #64748b;
}

/* ===== Footer ===== */
footer {
    background: #0f2b4b;
    color: #cbd5e1;
    padding: 50px 0 20px;
    margin-top: 60px;
}
footer a {
    color: #cbd5e1;
    text-decoration: none;
    transition: color 0.2s;
}
footer a:hover {
    color: #ffffff;
    text-decoration: underline;
}
footer .disclaimer {
    background: rgba(255,255,255,0.05);
    border-radius: 12px;
    padding: 16px 20px;
    font-size: 0.9rem;
    border-left: 4px solid #1e88e5;
}
footer .disclaimer strong {
    color: #ffffff;
}
footer .social-icons a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: background 0.2s;
    margin-right: 8px;
}
footer .social-icons a:hover {
    background: #1e88e5;
    text-decoration: none;
}

/* ===== Utilities ===== */
.bg-soft-blue {
    background-color: #eef4fa;
}
.text-primary-dark {
    color: #0f2b4b;
}
.rounded-4 {
    border-radius: 24px;
}
.shadow-sm-custom {
    box-shadow: 0 4px 12px rgba(0,0,0,0.04);
}