:root {
    --ink: #0f1115;
    --slate: #2b2f36;
    --muted: #6b7280;
    --primary: #0b61d8;
    --primary-dark: #0a4fb1;
    --surface: #ffffff;
    --soft: #f3f5f9;
}
body {
    font-family: "IBM Plex Sans", sans-serif;
    background: #ffffff;
    color: var(--ink);
}
.top-nav {
    border-bottom: 1px solid #e8ebf2;
}
.brand {
    font-weight: 700;
    font-size: 1.2rem;
    letter-spacing: 0.02em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}
.brand span {
    color: var(--primary);
}
.brand-logo {
    height: 34px;
    width: auto;
    display: block;
}
.hero {
    padding: 3.5rem 0 2.5rem;
    background: #ffffff;
}
.hero-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.15;
}
.hero-sub {
    color: var(--muted);
    margin-bottom: 1.5rem;
}
.trip-card {
    background: var(--surface);
    border: 1px solid #e8ebf2;
    border-radius: 18px;
    padding: 1.5rem;
    box-shadow: 0 12px 30px rgba(18, 38, 63, 0.08);
}
.trip-card .row.g-3 {
    --bs-gutter-x: 1rem;
    --bs-gutter-y: 1rem;
}
.trip-row {
    margin-left: 0;
    margin-right: 0;
}
.trip-row.two-col > .col-md-4 {
    flex: 0 0 50%;
    max-width: 50%;
}
.trip-tabs .btn {
    border-radius: 999px;
    font-weight: 600;
}
.trip-tab {
    border: 1px solid #d7def0;
    background: #ffffff;
    color: #1f2a44;
}
.trip-tab.active {
    background: #0b61d8;
    border-color: #0b61d8;
    color: #ffffff;
    box-shadow: 0 10px 18px rgba(11, 97, 216, 0.2);
}
.trip-input {
    background: var(--soft);
    border-radius: 12px;
    padding: 0.75rem 0.9rem;
    border: 1px solid #e3e7f2;
    width: 100%;
}
.trip-input.emphasis {
    background: #ffffff;
    border-color: #c9d7ff;
    box-shadow: 0 10px 18px rgba(47, 96, 217, 0.08);
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.trip-input.passenger-row {
    flex-direction: row;
    align-items: center;
    gap: 0.75rem;
}
.trip-input.passenger-row > div:first-child {
    flex: 1;
}
.trip-input .form-label {
    font-size: 0.85rem;
    font-weight: 600;
    color: #1f2a44;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
}
.field-icon {
    width: 18px;
    height: 18px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #6fa0ff;
}
.field-icon i {
    font-size: 0.95rem;
    line-height: 1;
}
.trip-input.clickable {
    cursor: pointer;
}
.trip-input input {
    border: none;
    background: transparent;
    width: 100%;
}
.trip-input input[type="date"],
.trip-input input[type="time"] {
    width: 100%;
    cursor: pointer;
}
.trip-input input:focus {
    outline: none;
}
.primary-btn {
    background: var(--ink);
    color: #ffffff;
    border-radius: 12px;
    padding: 0.85rem 1.2rem;
    border: none;
}
.primary-btn:hover {
    background: #000000;
    color: #ffffff;
}
.hero-image {
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(12, 22, 40, 0.18);
}
.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}
.section {
    padding: 3rem 0 4rem;
    background: #ffffff;
}
.service-card {
    background: var(--surface);
    border: 1px solid #edf0f6;
    border-radius: 18px;
    padding: 1.5rem;
    height: 100%;
    box-shadow: 0 12px 30px rgba(18, 38, 63, 0.06);
}
.service-card h5 {
    font-weight: 700;
}
.footer {
    background: #0f1115;
    color: #cfd5e2;
    padding: 2.5rem 0;
}
.footer a {
    color: #cfd5e2;
    text-decoration: none;
}
.footer a:hover {
    color: #ffffff;
}