/* ========================================
   UNIFIED RESPONSIVE DESIGN
   St. Lawrence Junior School - Kabowa
   
   Consolidated responsive styles for all pages
   Replaces 10 separate page-specific files
   ======================================== */

/* ========== GLOBAL OVERFLOW PREVENTION ========== */
html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
    margin: 0 !important;
    /* Never use padding:0 !important on body — it overrides fixed-header offset and hero clearance */
}

/* Guard against sections causing horizontal overflow */
.hero,
.hero-content,
.hero-grid,
.why-choose-box,
.why-stats-grid,
.events-bar,
.events-grid,
.about-section,
.about-grid,
.why-choose-us-section,
.why-choose-grid,
.gallery-grid,
.teachers-grid,
.admission-wizard-container,
.library-container,
.fees-container {
    max-width: 100%;
}

/* ========== GLOBAL MOBILE FIXES ========== */
@media (max-width: 768px) {
    
    /* Container adjustments — min gutter + curved-edge / notch safe areas */
    .container {
        padding-left: max(15px, env(safe-area-inset-left, 0px));
        padding-right: max(15px, env(safe-area-inset-right, 0px));
    }
    
    /* Header responsive layout — reserve hamburger + right safe area */
    .header .container {
        padding-left: max(12px, env(safe-area-inset-left, 0px));
        padding-right: calc(64px + env(safe-area-inset-right, 0px));
    }
    
    .navbar {
        display: flex !important;
        grid-template-columns: none !important;
        align-items: center;
        justify-content: space-between;
        gap: 10px;
    }
    
    .logo {
        min-width: 0;
        max-width: none;
        overflow: visible;
        padding-right: 52px;
        box-sizing: border-box;
    }
    
    .logo-text,
    .logo-subtitle {
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
    }
    
    /* Typography scaling */
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.25rem; }

    /* Prevent iOS zoom and improve touch ergonomics */
    input,
    select,
    textarea {
        font-size: 16px;
    }

    .btn,
    button {
        min-height: 44px;
    }
    
    /* Section padding */
    section {
        padding: 40px 0;
    }
    
    /* Bootstrap-style rows: lighter negative margins reduce horizontal bleed past curved edges */
    .row {
        margin-left: -6px;
        margin-right: -6px;
    }
    
    .col, [class*="col-"] {
        padding-left: 6px;
        padding-right: 6px;
    }
}

/* ========== NAVIGATION RESPONSIVE ========== */
@media (max-width: 992px) {
    /* Keep navbar fixed on top during mobile/tablet scrolling */
    .header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        width: 100% !important;
        z-index: var(--z-hamburger, 10000) !important;
    }

    /* Match fixed header: 70px bar + safe-area inset (edge-display adds padding-top on .header) */
    body {
        padding-top: calc(70px + env(safe-area-inset-top, 0px)) !important;
    }

    /* Anchor links land below fixed header + status bar */
    html {
        scroll-padding-top: calc(70px + env(safe-area-inset-top, 0px));
    }
    
    /* Hide desktop navigation */
    .desktop-only {
        display: none !important;
    }
    
    /* Show mobile navigation */
    .mobile-only {
        display: block !important;
    }
    
    /* Hamburger stays in navbar - pinned top-right on mobile */
    #hamburger.hamburger {
        position: absolute !important;
        top: 50% !important;
        right: max(15px, env(safe-area-inset-right, 0px)) !important;
        left: auto !important;
        transform: translateY(-50%) !important;
        width: 44px !important;
        height: 44px !important;
        z-index: var(--z-hamburger, 10000) !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        visibility: visible !important;
        opacity: 1 !important;
        cursor: pointer !important;
        pointer-events: auto !important;
        touch-action: manipulation !important;
        background: rgba(0, 0, 0, 0.7) !important;
        border-radius: 10px !important;
        flex-shrink: 0 !important;
    }
    
    /* Navbar layout on mobile: logo left, hamburger right */
    .navbar {
        display: flex !important;
        flex-direction: row !important;
        align-items: center !important;
        justify-content: space-between !important;
        padding-left: max(15px, env(safe-area-inset-left, 0px)) !important;
        padding-right: max(15px, env(safe-area-inset-right, 0px)) !important;
        padding-top: 0 !important;
        padding-bottom: 0 !important;
        height: 70px !important;
        gap: 10px !important;
        position: relative !important;
    }

    /* Hide nav menu and admin button on mobile */
    .nav-menu {
        display: none !important;
    }

    .nav-actions {
        display: none !important;
    }

    /* Mobile menu overlay - shown when active */
    .nav-menu.active {
        display: flex !important;
        position: fixed !important;
        top: 70px !important;
        left: 0 !important;
        width: 100% !important;
        height: auto !important;
        max-height: 52vh !important;
        background: rgba(15, 15, 15, 0.98) !important;
        backdrop-filter: blur(10px) !important;
        flex-direction: column !important;
        justify-content: flex-start !important;
        align-items: center !important;
        padding-top: 12px !important;
        padding-bottom: 16px !important;
        gap: 5px !important;
        z-index: calc(var(--z-hamburger, 10000) - 1) !important;
        overflow-y: auto !important;
    }
}

/* ========== FORM RESPONSIVE ========== */
@media (max-width: 768px) {
    
    /* Contact forms */
    .contact-form-side,
    .contact-form-wrapper-advanced {
        padding: 20px;
    }
    
    .form-row {
        flex-direction: column;
    }
    
    .form-group-advanced {
        margin-bottom: 20px;
    }
    
    .btn-submit-form-advanced,
    .btn-send-message {
        width: 100%;
        padding: 15px;
        font-size: 16px;
    }
    
    /* Admission wizard forms */
    .wizard-steps {
        flex-direction: column;
        gap: 10px;
    }
    
    .wizard-step {
        width: 100%;
        text-align: center;
    }
    
    .wizard-content {
        padding: 30px 20px;
    }
    
    .wizard-form-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .file-upload-area {
        padding: 30px 15px;
    }
}

/* ========== CARD LAYOUTS ========== */
@media (max-width: 768px) {
    
    /* Teacher cards */
    .teachers-grid,
    .teacher-card-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .teacher-card {
        max-width: 100%;
        margin: 0 auto;
    }
    
    /* Gallery grid */
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }
    
    .gallery-item {
        aspect-ratio: 1;
    }
    
    /* Stats cards */
    .stats-grid,
    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    /* Why choose us cards */
    .why-choose-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

/* ========== HERO SECTIONS ========== */
@media (max-width: 768px) {
    
    .page-hero,
    .hero {
        min-height: 60vh;
        padding: 60px 0;
    }
    
    .page-hero h1,
    .hero h1 {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .page-hero p,
    .hero p {
        font-size: 1.1rem;
    }
    
    .breadcrumb {
        font-size: 14px;
        margin-bottom: 20px;
    }
    
    .hero-content {
        text-align: center;
        padding: 0 20px;
    }
}

/* ========== ADMISSION WIZARD ========== */
@media (max-width: 768px) {
    
    .admission-wizard-container {
        padding: 20px 15px;
    }
    
    .wizard-step-content {
        padding: 20px;
    }
}

/* ========== LIBRARY RESPONSIVE ========== */
@media (max-width: 768px) {
    
    .library-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .library-item {
        padding: 20px;
    }
    
    .library-search {
        flex-direction: column;
        gap: 15px;
    }
    
    .search-input {
        width: 100%;
    }
    
    .library-filters {
        flex-wrap: wrap;
        gap: 10px;
    }
}

/* ========== FEES TABLE ========== */
@media (max-width: 768px) {
    
    .fees-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .fees-table {
        min-width: 600px;
    }
    
    .fees-table th,
    .fees-table td {
        padding: 12px 8px;
        font-size: 14px;
    }
    
    .fees-summary {
        padding: 20px;
        margin: 20px 0;
    }
}

/* ========== ABOUT PAGE TIMELINE ========== */
@media (max-width: 768px) {
    
    .history-timeline {
        padding-left: 20px;
    }
    
    .history-item {
        flex-direction: column;
        text-align: center;
        margin-bottom: 40px;
    }
    
    .history-item.left,
    .history-item.right {
        flex-direction: column;
    }
    
    .history-content,
    .history-image {
        width: 100%;
        max-width: 400px;
        margin: 0 auto;
    }
    
    .history-image {
        margin-bottom: 20px;
    }
    
    .mvv-layout {
        flex-direction: column;
        gap: 30px;
    }
    
    .mvv-left,
    .mvv-right {
        width: 100%;
    }
}

/* ========== GALLERY LIGHTBOX ========== */
@media (max-width: 768px) {
    
    .lightbox-content {
        max-width: 95%;
        max-height: 95%;
    }
    
    .lightbox-nav {
        bottom: 20px;
        left: 20px;
        right: 20px;
    }
    
    .lightbox-close {
        top: 20px;
        right: 20px;
        width: 40px;
        height: 40px;
    }
    
    .gallery-filter-tabs {
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }
}

/* ========== FLOATING ELEMENTS MOBILE ========== */
@media (max-width: 768px) {
    
    /* Ensure floating elements don't interfere with content */
    .back-to-top,
    #backToTop {
        width: 44px !important;
        height: 44px !important;
        z-index: var(--z-back-to-top, 10001) !important;
        display: inline-flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 16px !important;
    }
    
    .chat-button,
    #chatButton {
        width: 56px !important;
        height: 56px !important;
        z-index: var(--z-chatbot, 9999) !important;
        opacity: 1 !important;
        visibility: visible !important;
    }
}

/* ========== SAFE AREA INSETS ========== */
@supports (padding: max(0px)) {
    @media (max-width: 768px) {
        .container {
            padding-left: max(15px, env(safe-area-inset-left));
            padding-right: max(15px, env(safe-area-inset-right));
        }
        
        .header .container {
            padding-left: max(12px, env(safe-area-inset-left));
            padding-right: max(64px, env(safe-area-inset-right) + 64px);
        }
    }
}

/* ========== INDEX PAGE HERO IMPROVEMENTS ========== */
@media (max-width: 768px) {
    /* Hero inner top gap below fixed header (body already has padding-top for bar + notch) */
    .hero {
        margin-top: 0 !important;
        padding-top: clamp(32px, 10vw, 64px) !important;
        min-height: auto !important;
    }

    /* Hero content centered */
    .hero-left {
        text-align: center;
    }

    /* Buttons side by side, not stacked */
    .hero-buttons {
        flex-direction: row !important;
        flex-wrap: wrap !important;
        justify-content: center !important;
        gap: 12px !important;
    }

    .hero-buttons .btn {
        width: auto !important;
        min-width: 140px !important;
        flex: 1 !important;
        max-width: 200px !important;
        padding: 13px 16px !important;
        font-size: 14px !important;
    }

    /* Stats: always 2 columns on mobile */
    .why-stats-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 12px !important;
    }

    .why-stat-card {
        flex-direction: column !important;
        align-items: center !important;
        text-align: center !important;
        gap: 8px !important;
        padding: 15px 10px !important;
    }

    .why-stat-number {
        font-size: 22px !important;
    }

    .why-stat-label {
        font-size: 11px !important;
        line-height: 1.3 !important;
    }

    /* Why choose box tighter on mobile */
    .why-choose-box {
        padding: 20px 15px !important;
    }

    .why-choose-title {
        font-size: 17px !important;
        text-align: center !important;
        margin-bottom: 15px !important;
    }
}

@media (max-width: 400px) {
    .hero-buttons .btn {
        min-width: 120px !important;
        font-size: 13px !important;
        padding: 12px 12px !important;
    }

    .why-stats-grid {
        gap: 8px !important;
    }

    .why-stat-card {
        padding: 12px 8px !important;
    }

    .why-stat-number {
        font-size: 20px !important;
    }
}

/* ========== PAGE HERO NAVBAR CLEARANCE ========== */
/* Remove page-specific margin-top offsets so hero sits flush below navbar.
   On mobile/tablet header is position:fixed and body has padding-top:70px,
   so any extra hero margin-top creates white whitespace. On desktop header
   is in-flow, so margin-top is also unnecessary. Apply at ALL breakpoints. */
.page-hero,
.fees-hero-simple,
.hero-section:first-child,
body > section:first-of-type {
    margin-top: 0 !important;
}

@media (max-width: 992px) {
    .page-hero {
        min-height: 50vh !important;
    }
}