/* ==========================================================================
   PARIPURNANANDA SPIRITUAL PLATFORM - CORE STYLESHEET (main.css)
   ========================================================================== */

/* 1. DESIGN TOKENS & SYSTEM VARIABLES */
:root {
    /* Color Palette */
    --color-primary: #c75b2a;
    --color-primary-dark: #a3481f;
    --color-primary-light: #f4c430;
    --color-accent: #2d6a4f;
    --color-bg: #fffbf5;
    --color-surface: #ffffff;
    --color-border: #e8dcc8;
    --color-text: #2c2416;
    --color-text-light: #6b5e4a;
    --color-white: #ffffff;

    /* Theme-specific states (Light by default) */
    --color-surface-card: var(--color-white);
    --color-shadow-base: rgba(44, 36, 22, 0.08);

    /* Typography Scale */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-devanagari: 'Noto Sans Devanagari', sans-serif;

    /* Layout metrics */
    --header-height: 72px;
    --max-width: 1280px;
    --card-min-width: 280px;

    /* Spacing Scale (8-point grid) */
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 24px;
    --spacing-6: 32px;
    --spacing-7: 48px;
    --spacing-8: 64px;
    --spacing-9: 96px;

    /* Border Radii */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Transition Speeds */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);

    /* Elevation Shadows */
    --shadow-sm: 0 1px 3px var(--color-shadow-base);
    --shadow-md: 0 4px 12px var(--color-shadow-base);
    --shadow-lg: 0 8px 24px var(--color-shadow-base);
    --shadow-xl: 0 16px 48px var(--color-shadow-base);
}

/* Dark Theme Overrides */
[data-theme="dark"] {
    --color-bg: #1a1410;
    --color-surface: #241c16;
    --color-surface-card: #2c221a;
    --color-border: #3d3025;
    --color-text: #f5eedc;
    --color-text-light: #bcaea2;
    --color-shadow-base: rgba(0, 0, 0, 0.35);
}

/* Grid vs List Toggling Architecture */
[data-view-mode="list"] {
    --card-min-width: 100%;
}

/* 2. MODERN RESET */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    overflow-x: hidden;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* Flex sticky footer layout for modern views, disabled on legacy pages using .main-wrapper */
body:not(:has(.main-wrapper)) {
    display: flex;
    flex-direction: column;
}

img, picture, svg, video {
    display: block;
    max-width: 100%;
    height: auto;
}

input, button, textarea, select {
    font: inherit;
    color: inherit;
}

button {
    background: none;
    border: none;
    cursor: pointer;
}

a {
    color: inherit;
    text-decoration: none;
}

/* 3. ACCESSIBILITY OUTLINES (WCAG AA Compliance) */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 3px solid var(--color-primary) !important;
    outline-offset: 2px !important;
    box-shadow: 0 0 0 5px rgba(199, 91, 42, 0.2) !important;
}

a:focus:not(:focus-visible),
button:focus:not(:focus-visible),
input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
select:focus:not(:focus-visible) {
    outline: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    top: -100px;
    left: var(--spacing-4);
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-sm);
    z-index: 9999;
    transition: top var(--transition-fast);
    font-weight: 700;
}

.skip-link:focus-visible {
    top: var(--spacing-4);
}

/* 4. TYPOGRAPHY SYSTEM */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    line-height: 1.25;
    color: var(--color-text);
}

.devanagari {
    font-family: var(--font-devanagari), sans-serif;
}

/* 5. BASIC LAYOUT GRID */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

/* 6. UTILITY CLASSES */
.mt-1 { margin-top: var(--spacing-1); }
.mt-2 { margin-top: var(--spacing-2); }
.mt-3 { margin-top: var(--spacing-3); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-5 { margin-top: var(--spacing-5); }
.mt-6 { margin-top: var(--spacing-6); }
.mt-7 { margin-top: var(--spacing-7); }
.mt-8 { margin-top: var(--spacing-8); }

.mb-1 { margin-bottom: var(--spacing-1); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-5 { margin-bottom: var(--spacing-5); }
.mb-6 { margin-bottom: var(--spacing-6); }
.mb-7 { margin-bottom: var(--spacing-7); }
.mb-8 { margin-bottom: var(--spacing-8); }

.py-1 { padding-top: var(--spacing-1); padding-bottom: var(--spacing-1); }
.py-2 { padding-top: var(--spacing-2); padding-bottom: var(--spacing-2); }
.py-3 { padding-top: var(--spacing-3); padding-bottom: var(--spacing-3); }
.py-4 { padding-top: var(--spacing-4); padding-bottom: var(--spacing-4); }
.py-5 { padding-top: var(--spacing-5); padding-bottom: var(--spacing-5); }
.py-6 { padding-top: var(--spacing-6); padding-bottom: var(--spacing-6); }
.py-7 { padding-top: var(--spacing-7); padding-bottom: var(--spacing-7); }
.py-8 { padding-top: var(--spacing-8); padding-bottom: var(--spacing-8); }

.px-1 { padding-left: var(--spacing-1); padding-right: var(--spacing-1); }
.px-2 { padding-left: var(--spacing-2); padding-right: var(--spacing-2); }
.px-3 { padding-left: var(--spacing-3); padding-right: var(--spacing-3); }
.px-4 { padding-left: var(--spacing-4); padding-right: var(--spacing-4); }
.px-5 { padding-left: var(--spacing-5); padding-right: var(--spacing-5); }
.px-6 { padding-left: var(--spacing-6); padding-right: var(--spacing-6); }
.px-7 { padding-left: var(--spacing-7); padding-right: var(--spacing-7); }
.px-8 { padding-left: var(--spacing-8); padding-right: var(--spacing-8); }

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.d-none { display: none; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-block { display: block; }

/* 7. REDUCED MOTION QUERY */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* 8. HIGH CONTRAST MODE SUPPORT */
@media (forced-colors: active) {
    body {
        background-color: Canvas;
        color: CanvasText;
    }
    a {
        color: LinkText;
    }
    button, input, select, textarea {
        border: 1px solid ButtonText;
    }
}

/* 9. PRINT STYLESHEET */
@media print {
    header, footer, nav, button, .mobile-bottom-nav, .view-toggle-toolbar, .pwa-sticky-ad-container {
        display: none !important;
    }
    body {
        background: #ffffff !important;
        color: #000000 !important;
        font-size: 12pt;
    }
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: 9pt;
        color: #555555;
    }
}

/* ==========================================================================
   10. LAYOUT & ADVANCED COMPONENT STYLES
   ========================================================================== */

/* Shrunken Scrolled Header */
.site-header {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: height var(--transition-base), box-shadow var(--transition-base);
}

.site-header.scrolled {
    height: 60px;
    box-shadow: var(--shadow-md);
}

/* Toast Notification Wrapper */
.toast-container-wrapper {
    position: fixed;
    bottom: var(--spacing-4);
    right: var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
    z-index: 9999;
    max-width: 380px;
    width: calc(100% - 32px);
}

.toast-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: var(--color-surface-card);
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--shadow-lg);
    border-radius: var(--radius-sm);
    padding: var(--spacing-3);
    color: var(--color-text);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.toast-item.success { border-left-color: #2e7d32; }
.toast-item.error { border-left-color: #c62828; }
.toast-item.warning { border-left-color: #ef6c00; }
.toast-item.info { border-left-color: #1565c0; }

.toast-body-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.toast-icon-wrap {
    display: flex;
    flex-shrink: 0;
}

.toast-text-msg {
    font-size: 14px;
    font-weight: 500;
}

.toast-dismiss {
    color: var(--color-text-light);
    opacity: 0.7;
    transition: opacity var(--transition-fast);
    padding: var(--spacing-1);
}

.toast-dismiss:hover {
    opacity: 1;
}

/* Animations */
.slide-in {
    animation: slideInRight var(--transition-base) forwards;
}

.fade-out {
    animation: fadeOutRight var(--transition-fast) forwards;
}

@keyframes slideInRight {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

@keyframes fadeOutRight {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

/* Accessible Mobile Drawer Menu */
.mobile-drawer-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    z-index: 1050;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

.mobile-drawer {
    position: fixed;
    top: 0;
    right: -320px;
    width: 320px;
    height: 100vh;
    background-color: var(--color-surface);
    box-shadow: var(--shadow-xl);
    z-index: 1060;
    padding: var(--spacing-5);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
    transition: right var(--transition-base);
}

.mobile-drawer.open {
    right: 0;
}

.mobile-drawer.open + .mobile-drawer-overlay {
    opacity: 1;
    pointer-events: auto;
}

/* CSS Scroll Snapping Strips */
.snap-strip {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    gap: var(--spacing-4);
    padding-bottom: var(--spacing-4);
    -webkit-overflow-scrolling: touch;
}

.snap-strip::-webkit-scrollbar {
    height: 6px;
}

.snap-strip::-webkit-scrollbar-thumb {
    background-color: var(--color-border);
    border-radius: var(--radius-sm);
}

.snap-card {
    scroll-snap-align: start;
    flex: 0 0 calc(25% - 12px);
    min-width: 260px;
}

@media (max-width: 1024px) {
    .snap-card { flex: 0 0 calc(50% - 8px); }
}

@media (max-width: 768px) {
    .snap-card { flex: 0 0 100%; }
}

/* ==========================================================================
   11. AOS SCROLL ANIMATION OVERRIDES FOR IMMEDIATE VISIBILITY
   ========================================================================== */
.aos, [data-aos] {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
    visibility: visible !important;
}

/* ==========================================================================
   12. ENTERPRISE HEADER & LOGO OPTIMIZATIONS
   ========================================================================== */

/* Inner header flex wrapper */
.site-header-inner {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-3);
}

/* Brand Logo Layout – flex-shrink prevented */
.brand-logo-wrap {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    flex-shrink: 0;
    padding: var(--spacing-1) var(--spacing-2);
    border-radius: var(--radius-sm);
    transition: opacity var(--transition-fast);
    text-decoration: none;
}

.brand-logo-wrap:hover {
    opacity: 0.88;
}

/* Real logo image */
.site-logo-img {
    height: 44px;
    width: auto;
    max-width: 160px;
    object-fit: contain;
    display: block;
    transition: transform var(--transition-fast);
}

.brand-logo-wrap:hover .site-logo-img {
    transform: scale(1.03);
}

/* Fallback text shown only when image fails */
.brand-logo-fallback {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.01em;
    user-select: none;
}

/* Logo Background Glow (kept for backwards compat if still used) */
.logo-icon-highlight {
    background: radial-gradient(circle, rgba(244, 196, 48, 0.15) 0%, rgba(199, 91, 42, 0.05) 70%);
    border-radius: 50%;
    padding: var(--spacing-1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.brand-logo-text {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.01em;
    user-select: none;
}

/* Desktop navigation link styles */
.desktop-navigation {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    height: 100%;
    margin: 0;
    padding: 0;
    flex-wrap: nowrap;
    flex-shrink: 1;
    min-width: 0;
}

.desktop-navigation .nav-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-sm);
    transition: color var(--transition-fast), background-color var(--transition-fast);
    position: relative;
    white-space: nowrap;
}

.desktop-navigation .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast), left var(--transition-fast);
}

.desktop-navigation .nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(199, 91, 42, 0.04);
}

.desktop-navigation .nav-link:hover::after {
    width: 80%;
    left: 10%;
}

.desktop-navigation .nav-link.active {
    color: var(--color-primary);
    background-color: rgba(199, 91, 42, 0.06);
}

/* ==========================================================================
   RIGHT-SIDE GROUP: Search + Toolbar
   ========================================================================== */

.header-right-group {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

/* ---- SEARCH BAR (Desktop) ---- */
.header-search-wrap {
    position: relative;
}

.header-search-form {
    display: flex;
    align-items: center;
}

.header-search-inner {
    display: flex;
    align-items: center;
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: 24px;
    padding: 6px 10px 6px 14px;
    gap: 8px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 260px;
}

.header-search-inner:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(199, 91, 42, 0.12);
    background-color: var(--color-surface);
}

.header-search-icon {
    color: var(--color-text-light);
    flex-shrink: 0;
}

.header-search-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font-size: 13.5px;
    color: var(--color-text);
    outline: none;
}

.header-search-input::placeholder {
    color: var(--color-text-light);
    font-size: 13px;
}

.header-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    flex-shrink: 0;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.header-search-btn:hover {
    background-color: var(--color-primary-dark);
    transform: scale(1.08);
}

/* Mobile search toggle btn – hidden on desktop */
.mobile-search-toggle-btn {
    display: none;
}

/* ---- MOBILE SEARCH BAR (drops below header) ---- */
.mobile-search-bar {
    display: none;
    padding: 10px var(--spacing-4);
    background-color: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
    animation: slideDown 0.22s ease;
}

.mobile-search-bar.open {
    display: block;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-8px); }
    to   { opacity: 1; transform: translateY(0); }
}

.mobile-search-inner {
    display: flex;
    align-items: center;
    background-color: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: 24px;
    padding: 8px 12px 8px 16px;
    gap: 10px;
}

.mobile-search-input {
    flex: 1;
    min-width: 0;
    border: none;
    background: transparent;
    font-size: 14px;
    color: var(--color-text);
    outline: none;
}

.mobile-search-input::placeholder {
    color: var(--color-text-light);
}

.mobile-search-submit {
    background-color: var(--color-primary);
    color: var(--color-white);
    border: none;
    border-radius: 20px;
    padding: 4px 14px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    flex-shrink: 0;
    transition: background-color var(--transition-fast);
}

.mobile-search-submit:hover {
    background-color: var(--color-primary-dark);
}

/* ---- HEADER TOOLBAR ---- */
.header-toolbar {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    flex-shrink: 0;
}

/* User avatar styles */
.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid var(--color-primary);
    object-fit: cover;
    transition: transform var(--transition-fast);
}

.user-avatar:hover {
    transform: scale(1.05);
}

.user-menu-header {
    padding: var(--spacing-2) var(--spacing-3);
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--color-text-light);
    border-bottom: 1px solid var(--color-border);
}

.dropdown-menu {
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    background: var(--color-surface);
}

.dropdown-menu a:hover {
    background-color: rgba(199, 91, 42, 0.05);
    color: var(--color-primary);
}

/* Hamburger button */
.hamburger-btn {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: background-color var(--transition-fast);
}

.hamburger-btn:hover {
    background-color: rgba(199, 91, 42, 0.06);
}

.hamburger-btn span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-text);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Sign-in CTA */
.btn-signin {
    background-color: var(--color-primary);
    color: var(--color-white) !important;
    border-radius: 20px;
    padding: 7px 18px;
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.btn-signin:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
}

/* ==========================================================================
   13. RESPONSIVE HEADER – Breakpoints
   ========================================================================== */

/* TABLET (≤ 1024px): shrink search bar a bit */
@media (max-width: 1024px) {
    .header-search-inner {
        width: 200px;
    }

    .desktop-navigation {
        gap: var(--spacing-2);
    }

    .desktop-navigation .nav-link {
        padding: var(--spacing-2) var(--spacing-2);
        font-size: 13px;
    }
}

/* BELOW DESKTOP NAV (≤ 991px): hide nav, show search toggle icon */
@media (max-width: 991px) {
    .desktop-navigation {
        display: none !important;
    }

    /* Hide desktop search bar, show toggle button */
    .header-search-wrap {
        display: none;
    }

    .mobile-search-toggle-btn {
        display: flex;
        align-items: center;
        justify-content: center;
    }
}

/* MOBILE (≤ 767px): logo centered, toolbar spans both sides */
@media (max-width: 767px) {

    .site-header-inner {
        position: relative;
        flex-wrap: nowrap;
    }

    /* Center the logo using absolute positioning */
    .brand-logo-wrap {
        position: absolute;
        left: 50%;
        transform: translateX(-50%);
        padding: 0;
    }

    /* Constrain logo image height on mobile */
    .site-logo-img {
        height: 36px;
        max-width: 120px;
    }

    /* Right group pushes to right edge */
    .header-right-group {
        margin-left: auto;
        gap: var(--spacing-2);
    }

    /* Reduce toolbar spacing on mobile */
    .header-toolbar {
        gap: var(--spacing-2);
    }

    /* Hide lang selector on mobile to save space */
    .header-toolbar .dropdown-wrap:has([aria-label="Language Selector"]) {
        display: none;
    }

    /* Hamburger always last */
    #mobile-hamburger {
        order: 10;
    }

    /* Theme + view toggles first */
    #theme-toggle-btn,
    #view-toggle-btn {
        order: 1;
    }

    /* Signin/user dropdown second */
    .dropdown-wrap,
    .btn-signin {
        order: 5;
    }

    /* Search toggle visible on mobile */
    .mobile-search-toggle-btn {
        order: 3;
    }
}

/* SMALL MOBILE (≤ 480px): further compression */
@media (max-width: 480px) {
    .site-logo-img {
        height: 32px;
        max-width: 100px;
    }

    #view-toggle-btn {
        display: none; /* hide grid/list toggle on very small screens */
    }
}