/* ══════════════════════════════════════════════════════════════
   BAVADA TRUST — RESPONSIVE CSS
   Mobile-first breakpoints: 480px, 640px, 768px, 1024px
   All desktop styles inherit from main.css (no duplication)
   ══════════════════════════════════════════════════════════════ */

/* ── TABLET (≤1024px) ─────────────────────────────────────── */
@media (max-width: 1024px) {
    .section    { padding: 64px 5%; }
    .section-sm { padding: 48px 5%; }
    .section-lg { padding: 80px 5%; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }

    .counters-grid { grid-template-columns: repeat(2, 1fr); }
    .counter-card  { border-right: none; border-bottom: 1px solid var(--c-border); }
    .counter-card:nth-child(odd) { border-right: 1px solid var(--c-border); }
    .counter-card:nth-child(3),
    .counter-card:nth-child(4)   { border-bottom: none; }

    .gallery-grid { grid-template-columns: repeat(2, 1fr); }

    /* Navbar: hide desktop links + actions, show hamburger */
    .navbar           { padding: 0 24px; }
    .nav-links        { display: none !important; }
    .nav-actions .lang-widget,
    .nav-actions .btn-ghost { display: none !important; }
    .nav-actions .btn-accent {
        display: inline-flex !important;
        padding: 8px 14px !important;
        font-size: 12px !important;
    }
    .nav-hamburger    { display: flex !important; }
}

/* ── MOBILE (≤768px) ────────────────────────────────────────── */
@media (max-width: 768px) {
    /* Sections */
    .navbar     { padding: 0 16px; }
    .section    { padding: 52px 5%; }
    .section-sm { padding: 36px 5%; }
    .section-lg { padding: 64px 5%; }

    /* Typography */
    .section-heading { font-size: var(--t-xl); }
    .page-hero h1    { font-size: clamp(26px, 5.5vw, 42px); line-height: 1.1; letter-spacing: -0.04em; margin-bottom: 8px; }

    /* Footer: stack to single column with collapsible accordion columns */
    .footer { padding: 40px 5% 30px; }
    .footer-grid { grid-template-columns: 1fr; gap: 16px; }
    .footer-col-title {
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-bottom: 0 !important;
        padding: 14px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        user-select: none;
    }
    .footer-col-title::after {
        content: '+';
        font-size: 20px;
        font-weight: 300;
        color: rgba(255, 255, 255, 0.5);
        transition: transform var(--tr-base);
    }
    
    .footer-grid > div.open .footer-col-title {
        margin-bottom: var(--sp-sm, 16px) !important;
        border-bottom-color: transparent;
    }
    .footer-grid > div.open .footer-col-title::after {
        content: '−';
        color: var(--c-accent);
    }
    
    /* Hide brand description on mobile devices */
    .footer-brand-desc {
        display: none !important;
    }

    /* Animate contents of footer columns on mobile */
    .footer-links,
    address {
        transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, margin 0.4s ease, padding 0.4s ease;
    }
    .footer-grid > div:not(.open) .footer-links,
    .footer-grid > div:not(.open) address {
        max-height: 0 !important;
        opacity: 0 !important;
        overflow: hidden !important;
        margin-top: 0 !important;
        margin-bottom: 0 !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        pointer-events: none;
    }
    .footer-grid > div.open .footer-links,
    .footer-grid > div.open address {
        max-height: 350px !important;
        opacity: 1 !important;
        margin-top: 10px !important;
        margin-bottom: 20px !important;
    }

    /* Counters: 2 columns on mobile */
    .counters-grid { grid-template-columns: repeat(2, 1fr); }
    .counter-card  { padding: 28px 16px; }
    .counter-num   { font-size: 36px; }

    /* Gallery: 2 columns on mobile */
    .gallery-grid { grid-template-columns: repeat(2, 1fr); }

    /* Form: single column */
    .form-row-2 { grid-template-columns: 1fr; }

    /* CTA band */
    .cta-band { padding: var(--sp-lg) var(--sp-md); }
    .cta-band h2 { font-size: var(--t-xl); }

    /* Page hero */
    .page-hero { min-height: 280px; }
    .page-hero-inner { padding: var(--sp-xl) 5% var(--sp-md); }

    /* Donation layout & padding overrides */
    .donate-layout {
        display: block !important;
    }
    .donate-page {
        padding: var(--sp-md) 5% !important;
    }
    .donate-page .card {
        padding: var(--sp-sm) !important;
    }
    .donate-tabs {
        margin-bottom: var(--sp-sm) !important;
    }

    /* Donation sidebar: static on mobile */
    .donate-sidebar {
        position: static !important;
        width: 100% !important;
        max-height: none !important;
        overflow-y: visible !important;
        margin-top: 24px !important;
    }

    /* Responsive Mobile Horizontal Scrolling Carousels (Global) */
    .mv-grid,
    .services-grid,
    .compliance-grid,
    .values-grid,
    .legal-grid,
    .adoption-grid,
    .programmes-grid,
    .benefits-grid,
    .category-grid,
    .bank-cards-grid {
        display: flex !important;
        overflow-x: auto !important;
        scroll-snap-type: x mandatory !important;
        scroll-behavior: smooth;
        -webkit-overflow-scrolling: touch;
        gap: 16px !important;
        padding: 10px 5% 20px 5% !important;
        margin-left: -5% !important;
        margin-right: -5% !important;
        width: calc(100% + 10%) !important;
        scrollbar-width: none; /* Firefox */
    }
    .mv-grid::-webkit-scrollbar,
    .services-grid::-webkit-scrollbar,
    .compliance-grid::-webkit-scrollbar,
    .values-grid::-webkit-scrollbar,
    .legal-grid::-webkit-scrollbar,
    .adoption-grid::-webkit-scrollbar,
    .programmes-grid::-webkit-scrollbar,
    .benefits-grid::-webkit-scrollbar,
    .category-grid::-webkit-scrollbar,
    .bank-cards-grid::-webkit-scrollbar {
        display: none; /* Safari/Chrome */
    }

    .mv-card,
    .service-card,
    .compliance-card,
    .value-card,
    .legal-card,
    .notice-box,
    .service-card-dark,
    .benefit-card,
    .category-grid > div,
    .bank-cards-grid > .sidebar-card {
        flex: 0 0 82% !important;
        max-width: 82% !important;
        scroll-snap-align: center !important;
        scroll-snap-stop: always !important;
        margin: 0 !important;
    }

    /* Dot Indicators (shared) */
    .scroll-dots {
        display: flex;
        justify-content: center;
        gap: 8px;
        margin-top: 8px;
        margin-bottom: 24px;
    }
    .scroll-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--c-border);
        transition: background var(--tr-base), transform var(--tr-base);
        cursor: pointer;
    }
    .scroll-dot.active {
        background: var(--c-accent);
        transform: scale(1.2);
    }
    /* Compact 'See All' button for gallery on mobile */
    #gallery-preview .btn-sm {
        padding: 8px 14px !important;
        font-size: 12px !important;
        height: auto !important;
        line-height: 1.2 !important;
        white-space: nowrap !important;
    }

    /* ── Mobile Page Entrance & Hero Animations ── */
    @keyframes mobileHeroFade {
        0% { opacity: 0; transform: translateY(15px); }
        100% { opacity: 1; transform: translateY(0); }
    }
    .hero-badge,
    .hero-title,
    .hero-tagline,
    .hero-ctas,
    .hero-trust,
    .page-hero h1,
    .page-hero p,
    .page-hero .breadcrumb,
    .page-hero .label {
        animation: mobileHeroFade 0.75s cubic-bezier(0.16, 1, 0.3, 1) forwards;
        opacity: 0;
    }
    .hero-badge { animation-delay: 0.05s; }
    .hero-title { animation-delay: 0.15s; }
    .hero-tagline { animation-delay: 0.25s; }
    .hero-ctas { animation-delay: 0.35s; }
    .hero-trust { animation-delay: 0.45s; }

    .page-hero .label { animation-delay: 0.05s; }
    .page-hero h1 { animation-delay: 0.15s; }
    .page-hero p { animation-delay: 0.25s; }
    .page-hero .breadcrumb { animation-delay: 0.35s; }

    /* ── Mobile Fullscreen Nav Drawer Staggered Link Animations ── */
    @keyframes drawerLinkSlide {
        0% { opacity: 0; transform: translateY(12px); }
        100% { opacity: 1; transform: translateY(0); }
    }
    .nav-drawer .nav-drawer-links a,
    .nav-drawer .nav-drawer-lang,
    .nav-drawer .nav-drawer-actions {
        opacity: 0;
    }
    .nav-drawer.open .nav-drawer-links a:nth-child(1) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.05s; }
    .nav-drawer.open .nav-drawer-links a:nth-child(2) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.10s; }
    .nav-drawer.open .nav-drawer-links a:nth-child(3) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.15s; }
    .nav-drawer.open .nav-drawer-links a:nth-child(4) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.20s; }
    .nav-drawer.open .nav-drawer-links a:nth-child(5) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.25s; }
    .nav-drawer.open .nav-drawer-links a:nth-child(6) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.30s; }
    .nav-drawer.open .nav-drawer-links a:nth-child(7) { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.35s; }
    .nav-drawer.open .nav-drawer-lang { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.40s; }
    .nav-drawer.open .nav-drawer-actions { animation: drawerLinkSlide 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards 0.45s; }

    /* ── Brisk Scroll Reveal Animations on Mobile ── */
    .reveal {
        transform: translateY(15px);
        transition: opacity 0.5s ease-out, transform 0.5s cubic-bezier(0.16, 1, 0.3, 1) !important;
    }
    .reveal.active {
        transform: translateY(0) !important;
    }

    /* ── Mobile Micro-Interactions (Tap States) ── */
    .btn:active {
        transform: scale(0.96);
    }
    .card:active,
    .mv-card:active,
    .service-card:active,
    .value-card:active,
    .compliance-card:active,
    .legal-card:active,
    .facility-card:active,
    .process-card:active,
    .benefit-card:active {
        transform: scale(0.98);
        transition: transform 0.1s ease;
    }
    .scroll-dot {
        transition: background var(--tr-base), transform 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275) !important;
    }

    /* Bank details horizontal scroll container */
    .bank-details-scroll-wrap {
        overflow-x: auto !important;
        white-space: nowrap !important;
        display: block !important;
        scrollbar-width: thin;
        padding-bottom: 6px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }
    .bank-details-scroll-wrap .bank-row {
        display: flex !important;
        justify-content: space-between !important;
        min-width: 450px !important;
    }
    .bank-details-scroll-wrap .legal-item {
        display: flex !important;
        flex-direction: row !important;
        justify-content: space-between !important;
        align-items: center !important;
        min-width: 450px !important;
        gap: 12px;
    }


}

/* ── SMALL MOBILE (≤640px) ───────────────────────────────────── */
@media (max-width: 640px) {
    /* Gallery: single column */
    .gallery-grid { grid-template-columns: 1fr; }

    /* Section heading scale */
    .section-heading { font-size: 28px; }

    /* Donation amount buttons: 2 per row */
    .amount-grid { grid-template-columns: repeat(2, 1fr) !important; }

    /* Nav drawer link size */
    .nav-drawer-links a { font-size: 20px; }
}

/* ── EXTRA SMALL (≤480px) ────────────────────────────────────── */
@media (max-width: 480px) {
    /* Section spacing tight */
    .navbar     { padding: 0 12px; }
    .nav-actions .btn-accent {
        padding: 6px 11px !important;
        font-size: 11px !important;
    }
    .section    { padding: 40px 4%; }
    .section-sm { padding: 28px 4%; }
    .section-lg { padding: 52px 4%; }

    /* Counters: 2x2 grid on mobile */
    .counters-grid { grid-template-columns: repeat(2, 1fr) !important; }
    .counter-card {
        padding: 16px 10px !important;
        border-right: none !important;
        border-bottom: 1px solid var(--c-border) !important;
    }
    .counter-card:nth-child(odd) {
        border-right: 1px solid var(--c-border) !important;
    }
    .counter-card:nth-child(3),
    .counter-card:nth-child(4) {
        border-bottom: none !important;
    }
    .counter-num { font-size: 24px !important; }
    .counter-label { font-size: 11px !important; }

    /* Page hero */
    .page-hero h1 { font-size: clamp(22px, 7vw, 32px); line-height: 1.1; letter-spacing: -0.04em; margin-bottom: 8px; }
    .page-hero p  { font-size: var(--t-base); }

    /* Section heading */
    .section-heading { font-size: 26px; }

    /* Buttons full-width in hero */
    .hero-ctas { flex-direction: column; align-items: stretch; }
    .hero-ctas .btn { text-align: center; justify-content: center; }
    .btn { white-space: normal !important; text-align: center !important; }

    /* Footer QR: centred with vertical margins for padding from separator */
    .footer-qr-wrap { display: flex; margin: 16px auto 20px auto !important; }

    /* CTA band tighter */
    .cta-band { padding: var(--sp-md); border-radius: var(--r-md); }
    .cta-band h2 { font-size: var(--t-xl); }
    .cta-actions { flex-direction: column; align-items: stretch; }
    .cta-actions .btn { width: 100%; justify-content: center; }

    /* Legal card value wrapping */
    .legal-row { flex-direction: column; gap: 4px; }
    .legal-row-val { text-align: left; }
}

/* ── TINY SCREENS (≤360px) ───────────────────────────────────── */
@media (max-width: 360px) {
    .nav-logo-sub { display: none; }
    .section-heading { font-size: 22px; }
    .counter-num { font-size: 36px; }
    .floating-wa { width: 48px; height: 48px; font-size: 22px; bottom: 16px; right: 16px; }
}

/* ── REDUCED MOTION ──────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.001ms !important;
    }
    .reveal { opacity: 1 !important; transform: none !important; }
}