/* =============================================
   LARGE — < 1200px
   ============================================= */
@media (max-width: 1199.98px) {
    .navbar-nav .nav-link { margin: 0 .2rem; }
    .hero-title { font-size: 2rem; }

    .service-icon {
        width: 66px; height: 66px;
        font-size: 1.75rem;
        line-height: 66px;
    }
}

/* =============================================
   MEDIUM — < 992px  (tablet / hamburger)
   ============================================= */
@media (max-width: 991.98px) {
    .hero-section {
        height: 100vh;
        min-height: 100vh;
    }

    .hero-designed-slide,
    .hero-design-overlay {
        min-height: 100vh;
    }

    .hero-design-overlay {
        padding: 6rem 0 6.5rem;
        background: rgba(240, 246, 255, .88);
    }

    .hero-design-overlay > .container {
        display: flex;
        flex: 1;
        align-items: center;
    }

    .hero-design-overlay > .container > .row {
        width: 100%;
        justify-content: center;
    }

    .hero-design-content {
        max-width: 680px;
        margin: 0 auto;
        padding: 0 1rem;
        text-align: center;
    }

    .hd-wifi-badge {
        justify-content: center;
    }

    .hd-pkg-row {
        justify-content: center;
    }

    .hero-cta {
        bottom: 1.5rem;
    }

    .hero-cta .hd-join-wa {
        width: min(100%, 440px);
        min-height: 3.5rem;
        font-size: 1rem;
    }

    .navbar {
        background: rgba(255,255,255,.97) !important;
        box-shadow: 0 2px 20px rgba(15,23,42,.08);
        backdrop-filter: none !important;
        padding: .5rem 0;
    }

    .navbar-nav .nav-link {
        margin: .25rem 0;
        font-size: 1.05rem;
        text-align: center;
    }

    .navbar-nav .nav-link::after { display: none; }

    .navbar-nav .nav-link.active,
    .navbar-nav .nav-link:hover {
        background: linear-gradient(135deg, rgba(37,99,235,.08), rgba(14,165,233,.06));
        border-radius: 8px;
    }

    .nav-join-btn {
        display: inline-block;
        margin: .5rem auto 0;
    }

    .navbar-toggler { border: none; padding: .4rem; }
    .navbar-toggler:focus { box-shadow: 0 0 0 2px rgba(37,99,235,.25); }

    .navbar-nav { padding: .75rem 0; }

    .navbar-offcanvas {
        --bs-offcanvas-width: min(85vw, 360px);
        background: rgba(255, 255, 255, .98);
    }

    .navbar-offcanvas .offcanvas-header {
        padding: 1.25rem 1.5rem .75rem;
        border-bottom: 1px solid var(--border);
    }

    .navbar-offcanvas .offcanvas-title {
        color: var(--primary);
        font-size: 1.1rem;
        font-weight: 700;
    }

    .navbar-offcanvas .offcanvas-body {
        padding: .75rem 1.25rem;
    }

    .navbar-offcanvas .navbar-nav {
        align-items: center;
        text-align: center;
    }

    .navbar-offcanvas .navbar-nav .nav-item {
        width: 100%;
    }

    .navbar-offcanvas .navbar-nav .nav-link {
        display: block;
    }

    .navbar-offcanvas .nav-join-btn {
        display: inline-block;
        width: auto;
        margin: .75rem auto 0;
    }

    .hero-flier-img { height: 72vh; min-height: 380px; }

    .about-content { padding-left: 0; margin-top: 2rem; }

    .footer h4::after { left: 50%; transform: translateX(-50%); }

    .footer-info, .footer-links, .footer-contact { margin-bottom: 1.5rem; }
}

/* =============================================
   SMALL — < 768px
   ============================================= */
@media (max-width: 767.98px) {
    .logo-img { height: 40px; }
    .brand-wordmark { max-width: 190px; font-size: .85rem; }

    .hero-flier-img { height: 56vw; min-height: 220px; }

    .hero-arrow-icon { width: 40px; height: 40px; font-size: .85rem; }
    .carousel-control-prev.hero-arrow { left: .6rem; }
    .carousel-control-next.hero-arrow { right: .6rem; }

    section { padding: 3rem 0; }

    .section-header { margin-bottom: 2rem; }
    .section-header h2 { font-size: 1.75rem; }

    .hero-title { font-size: 1.75rem; }
    .hero-text  { font-size: .95rem; }

    .footer { padding-top: 2.5rem; }

    .footer-links-bottom a { margin-left: .75rem; }
    .copyright, .footer-links-bottom { text-align: center !important; }
    .footer-links-bottom { margin-top: .75rem; }

    .back-to-top { bottom: 20px; right: 16px; }
}

/* =============================================
   X-SMALL — < 576px  (portrait phones)
   ============================================= */
@media (max-width: 575.98px) {
    .hero-design-overlay {
        padding-top: 5.5rem;
        padding-bottom: 6rem;
    }

    .hero-design-content {
        padding: 0 .25rem;
    }

    .hd-title {
        font-size: clamp(1.7rem, 7vw, 2.25rem);
    }

    .hd-sub {
        font-size: .95rem;
    }

    .hd-pkg {
        min-width: 88px;
    }

    .hero-cta {
        bottom: 1rem;
    }

    .hero-cta .hd-join-wa {
        width: 100%;
    }

    .hero-title  { font-size: 1.65rem; }
    .hero-text   { font-size: .9rem; }

    .section-header h2 { font-size: 1.65rem; }

    .service-icon {
        width: 58px; height: 58px;
        font-size: 1.4rem;
        line-height: 58px;
    }

    .about-content h2 { font-size: 1.6rem; }

    /* FAB cluster — compact on small phones */
    .fab-cluster { bottom: 18px; right: 16px; gap: 10px; }
    .fab-btn { width: 46px; height: 46px; font-size: 1.1rem; }
    #ai-chat-toggle { width: 46px !important; height: 46px !important; font-size: 1.15rem !important; }

    .back-to-top { width: 40px; height: 40px; }
}