/* =============================================
   MATRIVANSH HEALTH FOUNDATION - Responsive System
   Refactored for Production Readiness & High Performance
   ============================================= */

/* --- Helpers & Animation States --- */
.no-scroll { overflow: hidden !important; }

.reveal-init {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
    pointer-events: none;
}
.reveal-init.revealed {
    opacity: 1 !important;
    transform: translateY(0) !important;
    pointer-events: auto;
}

/* =============================================
   TABLETS & SMALL LAPTOPS (<= 1024px)
   ============================================= */
@media (max-width: 1024px) {
    .container { padding: 0 32px; }
    .btn { padding: 12px 24px; font-size: 14px; }
    
    .hero-inner {
        grid-template-columns: 1fr;
        text-align: center;
        padding-top: 100px;
    }
    .hero-content { display: flex; flex-direction: column; align-items: center; }
    .hero-desc { margin-left: auto; margin-right: auto; }
    .hero-cta, .hero-stats { justify-content: center; }
    .hero-visual { margin-top: 40px; }
    
    .about-section > .container > div {
        grid-template-columns: 1fr !important;
        gap: 40px !important;
    }
    
    .mv-grid { grid-template-columns: 1fr !important; gap: 40px; }
    .mv-divider { display: none; }
    .founders-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
}

/* =============================================
   TABLETS PORTRAIT & MOBILE (<= 768px)
   ============================================= */
@media (max-width: 768px) {
    /* Global Stability */
    html, body { 
        width: 100vw;
        overflow-x: hidden !important; 
        position: relative;
    }

    /* Navigation & Header */
    .top-bar { display: none !important; }
    .navbar { padding: 10px 0 !important; width: 100% !important; margin: 0 !important; }
    .navbar-brand img { height: 60px !important; }
    
    .mobile-toggle { 
        display: flex !important; 
        background: var(--orange-pale);
        color: var(--orange);
        border: none;
        width: 45px;
        height: 45px;
        border-radius: 10px;
        align-items: center;
        justify-content: center;
        font-size: 24px;
        cursor: pointer;
        position: relative;
        z-index: 3000;
        margin-right: -4px !important; /* Alignment fix */
        transition: all 0.3s;
    }
    .mobile-toggle:hover { background: var(--orange); color: white; }

    .btn-primary.donate-btn span { display: none; }

    .main-nav {
        position: fixed !important;
        top: 0;
        right: -110% !important; 
        width: 85% !important;
        max-width: 320px;
        height: 100vh !important;
        background: var(--white);
        z-index: 2500 !important;
        padding: 80px 30px 40px !important;
        transition: all 0.4s var(--ease-smooth);
        box-shadow: -10px 0 30px rgba(0,0,0,0.15);
        display: block !important;
        visibility: hidden;
    }
    .main-nav.active { 
        right: 0 !important; 
        visibility: visible;
    }
    .main-nav ul { flex-direction: column !important; align-items: flex-start !important; gap: 0 !important; }
    .main-nav ul li { width: 100%; border-bottom: 1px solid var(--border); }
    .main-nav ul li a { font-size: 18px; padding: 18px 0; width: 100%; border-radius: 0; border: none !important; }

    /* Layout & Spacing */
    .section { padding: 50px 0 !important; }
    .section-sm { padding: 40px 0 !important; }
    .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr !important; gap: 20px; }
    .impact-grid { grid-template-columns: 1fr 1fr !important; gap: 12px; }
    .founders-grid { grid-template-columns: 1fr !important; gap: 24px; }

    /* Hero Refinements */
    .hero-inner { padding: 120px 0 60px; }
    .hero h1 { font-size: 34px !important; }
    .hero-stat-pill { padding: 12px 18px; width: 100%; }
    
    /* Kill absolute overflow in visual cards */
    .hvc-notif { 
        position: relative !important;
        top: auto !important; left: auto !important;
        margin: 10px 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-shadow: none !important;
        animation: none !important;
        transform: none !important;
    }
    .hero-visual-card { padding: 24px !important; margin-top: 30px; }

    /* Programs & Leadership */
    .program-card-footer { flex-direction: column; align-items: stretch; gap: 16px; padding: 24px 20px; text-align: center; }
    .program-block { grid-template-columns: 1fr !important; gap: 30px !important; padding: 40px 0 !important; direction: ltr !important; }
    .program-block-reverse { direction: ltr !important; }
    .program-img-wrapper img { height: 350px !important; }
    .program-content, .program-feature-list { text-align: left; }
    
    .leader-row { grid-template-columns: 1fr !important; }
    .leader-row-reverse { direction: ltr; }
    .leader-info-inner { padding: 40px 30px; }
    .other-leaders { grid-template-columns: 1fr !important; }
    .treasurer-strip { flex-direction: column; text-align: center; padding: 40px 30px; }
    .treasurer-avatar { margin: 0 auto; }
}

/* =============================================
   SMALL MOBILES (<= 480px)
   ============================================= */
@media (max-width: 480px) {
    .container { padding: 0 16px; }
    .hero h1 { font-size: 32px !important; }
    .hero-subtitle { font-size: 11px; padding: 6px 16px; margin-bottom: 20px; }
    .hero-stats { flex-direction: column; width: 100%; gap: 12px; }
    .hero-cta { flex-direction: column; }
    .hero-cta .btn { width: 100%; justify-content: center; }
    
    .navbar-brand img { height: 50px !important; }
    .navbar { padding: 8px 0 !important; }
    .btn { padding: 12px 20px; font-size: 14px; }

    .impact-grid { grid-template-columns: 1fr !important; }
    .impact-card { padding: 24px 16px; }
    .impact-num { font-size: 28px; }
    .section-title h2 { font-size: 26px; }
    .hvc-notif { display: none; }
    
    .footer-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
    .footer-bottom { text-align: center; }
    .footer-bottom > .container { flex-direction: column !important; gap: 15px !important; justify-content: center !important; }
    
    .cta-buttons { flex-direction: column; gap: 12px; }
    .cta-buttons .btn { width: 100%; justify-content: center; }

    .program-img-wrapper img { height: 280px !important; }
    .program-content h3 { font-size: 30px; }
    .involve-grid { grid-template-columns: 1fr !important; }
    .form-control { font-size: 16px; }
}