/* Minimal overrides on Cool theme — Vietnamese font + small fixes */

body,
h1, h2, h3, h4, h5, h6,
.btn,
.nav-link,
.navbar-brand,
.pricing,
.footer {
    font-family: "Be Vietnam Pro", "Noto Sans", system-ui, -apple-system, "Segoe UI", sans-serif !important;
}

/* Compact header */
.navbar {
    padding: 6px 0 !important;
}

.navbar .logo h2 {
    font-size: 1.35rem !important;
    margin: 0 !important;
    line-height: 1.2 !important;
}

.navbar .navbar-nav li a {
    font-size: 14px !important;
    line-height: 22px !important;
    margin: 0 10px !important;
    padding: 4px 0 !important;
}

.navbar .nav-btn {
    padding: 0.28rem 0.85rem !important;
    font-size: 0.8rem !important;
}

.navbar-toggler {
    border: 0;
    padding: 0.2rem;
    color: #fff;
}

.navbar-toggler svg {
    width: 22px;
    height: 22px;
}

.nav-sticky .navbar-toggler {
    color: #3c2299;
}

@media (max-width: 991.98px) {
    .navbar {
        padding: 8px 0 !important;
    }

    #navbarCollapse .nav-btn {
        margin: 0.75rem 0 0.25rem !important;
        display: inline-flex;
        align-items: center;
    }
}

/* Pricing cards */
.pricing {
    margin-bottom: 1.5rem;
}

.pricing-item {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-bottom: 0.65rem;
}

.pricing-item-label {
    flex: 1;
    text-align: left;
}

/* Zalo floating button (official logo) */
.landing-zalo-fab {
    position: fixed;
    bottom: max(1rem, env(safe-area-inset-bottom, 0px));
    right: max(1rem, env(safe-area-inset-right, 0px));
    z-index: 1060;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    max-width: calc(100vw - 2rem);
    margin: 0;
    padding: 0.35rem 0.85rem 0.35rem 0.35rem;
    background: #0068ff;
    color: #fff !important;
    text-decoration: none !important;
    border-radius: 999px;
    box-shadow: 0 4px 20px rgba(0, 104, 255, 0.45);
    font-weight: 700;
    font-size: 0.85rem;
    line-height: 1;
    box-sizing: border-box;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
}

.landing-zalo-fab:hover,
.landing-zalo-fab:focus-visible {
    color: #fff !important;
    text-decoration: none !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(0, 104, 255, 0.55);
}

.landing-zalo-fab-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 0 0 2.5rem;
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 50%;
    background: #fff;
    color: #0068ff;
    box-sizing: border-box;
}

.landing-zalo-fab-icon svg {
    display: block;
    width: 1.35rem;
    height: 1.35rem;
}

.landing-zalo-fab-label {
    white-space: nowrap;
    padding-right: 0.15rem;
}

@media (max-width: 575.98px) {
    .landing-zalo-fab {
        padding: 0;
        border-radius: 50%;
        width: 3rem;
        height: 3rem;
        min-width: 3rem;
        min-height: 3rem;
    }

    .landing-zalo-fab-icon {
        flex: 0 0 100%;
        width: 100%;
        height: 100%;
        border-radius: 50%;
        background: transparent;
        color: #fff;
    }

    .landing-zalo-fab-icon svg {
        width: 1.45rem;
        height: 1.45rem;
    }

    .landing-zalo-fab-label {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .landing-zalo-fab {
        transition: none;
    }

    .reveal {
        opacity: 1 !important;
        transform: none !important;
        transition: none !important;
        filter: none !important;
    }
}

/* Scroll reveal — fade + slide up (mobile & desktop) */
.reveal {
    opacity: 0;
    transform: translate3d(0, 36px, 0);
    transition:
        opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.7s cubic-bezier(0.22, 1, 0.36, 1),
        filter 0.7s ease;
    transition-delay: var(--reveal-delay, 0s);
    filter: blur(2px);
    will-change: opacity, transform;
}

.reveal.reveal-left {
    transform: translate3d(-28px, 28px, 0);
}

.reveal.reveal-right {
    transform: translate3d(28px, 28px, 0);
}

.reveal.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    filter: blur(0);
}

/* Stagger pricing cards in a row without inline delays */
#pricing .row.mt-5 > .reveal:nth-child(1) { --reveal-delay: 0.05s; }
#pricing .row.mt-5 > .reveal:nth-child(2) { --reveal-delay: 0.15s; }
#pricing .row.mt-5 > .reveal:nth-child(3) { --reveal-delay: 0.25s; }
#pricing .row.mt-5 > .reveal:nth-child(4) { --reveal-delay: 0.32s; }
#pricing .row.mt-5 > .reveal:nth-child(5) { --reveal-delay: 0.38s; }
#pricing .row.mt-5 > .reveal:nth-child(6) { --reveal-delay: 0.44s; }

@media (max-width: 767.98px) {
    .reveal {
        transform: translate3d(0, 28px, 0);
    }

    .reveal.reveal-left,
    .reveal.reveal-right {
        transform: translate3d(0, 28px, 0);
    }
}