/**
 * BR SQUARE CLASSES - Modern Premium Responsive Stylesheet
 * For: "Learn English for Hindi Medium Students"
 * Hybrid Bilingual Educational Platform
 * Features: Mobile-first design, PWA-ready, Dark mode, Accessibility-focused
 */

/* ============================================================================
   1. FONT IMPORTS & RESET
   ============================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@600;700;800&family=Noto+Sans+Devanagari:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

/* ============================================================================
   2. DESIGN SYSTEM - COLOR & THEME VARIABLES
   ============================================================================ */

:root {
    /* Primary Brand Colors */
    --color-deep-blue: #0F1E36;
    --color-deep-blue-light: #1E3A5F;
    --color-deep-blue-lighter: #2D5A8C;
    --color-gold: #C5A059;
    --color-gold-hover: #A07F43;
    --color-gold-dark: #8B6F47;
    --color-white: #FFFFFF;
    --color-light-gray: #F8FAFC;
    --color-gray-100: #F1F5F9;
    --color-gray-200: #E2E8F0;
    --color-gray-300: #CBD5E1;
    --color-gray-400: #94A3B8;
    --color-gray-500: #64748B;
    --color-gray-600: #475569;
    --color-gray-700: #1E293B;
    
    /* Accent Colors */
    --color-success: #10B981;
    --color-info: #3B82F6;
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    
    /* Light Mode Variables */
    --bg-primary: #FFFFFF;
    --bg-secondary: #F8FAFC;
    --bg-tertiary: #F1F5F9;
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --border-color: #E2E8F0;
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.04);
    --shadow-md: 0 10px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 40px rgba(15, 23, 42, 0.12);
    
    /* Transitions & Animations */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Spacing Scale */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.75rem;
    --radius-lg: 1.25rem;
    --radius-xl: 1.75rem;
    --radius-2xl: 2rem;
    --radius-full: 9999px;
}

/* Dark Mode Theme */
body.dark-mode {
    --bg-primary: #0B1329;
    --bg-secondary: #111A36;
    --bg-tertiary: #1E293B;
    --text-primary: #F8FAFC;
    --text-secondary: #CBD5E1;
    --text-tertiary: #94A3B8;
    --border-color: #1E293B;
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.25);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* ============================================================================
   3. GLOBAL STYLES
   ============================================================================ */

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', 'Noto Sans Devanagari', sans-serif;
    font-size: 1rem;
    line-height: 1.6;
    font-weight: 400;
    transition: background-color var(--transition-base), color var(--transition-base);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    color: var(--color-deep-blue-light);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-gold);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    outline: none;
}

/* ============================================================================
   4. TYPOGRAPHY
   ============================================================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: 'Plus Jakarta Sans', 'Noto Sans Devanagari', sans-serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    margin-bottom: 1rem;
}

h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
}

h3 {
    font-size: clamp(1.25rem, 3vw, 1.875rem);
    font-weight: 700;
}

h4 {
    font-size: 1.25rem;
    font-weight: 700;
}

h5 {
    font-size: 1.125rem;
    font-weight: 600;
}

h6 {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.lead {
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--text-secondary);
}

small {
    font-size: 0.875rem;
}

code, pre {
    font-family: 'JetBrains Mono', monospace;
    background-color: var(--bg-tertiary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
}

/* ============================================================================
   5. NAVIGATION BAR - STICKY, RESPONSIVE
   ============================================================================ */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(var(--bg-primary-rgb, 255, 255, 255), 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    padding: 0.75rem 0;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-deep-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    min-width: max-content;
}

.nav-brand span {
    color: var(--color-gold);
}

.nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-primary);
    flex-direction: column;
    gap: 0;
    padding: 0;
    margin: 0;
    list-style: none;
    border-bottom: 1px solid var(--border-color);
}

.nav-menu.active {
    display: flex;
}

.nav-menu li {
    border-bottom: 1px solid var(--border-color);
}

.nav-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: var(--text-primary);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.nav-menu a:hover {
    background: var(--bg-tertiary);
    color: var(--color-gold);
    padding-left: 2rem;
}

.nav-cta {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.hamburger {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    cursor: pointer;
    background: none;
    border: none;
    padding: 0.5rem;
}

.hamburger span {
    width: 24px;
    height: 2.5px;
    background: var(--text-primary);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(10px, 10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Desktop Navigation */
@media (min-width: 768px) {
    .nav-menu {
        display: flex !important;
        position: static;
        background: transparent;
        flex-direction: row;
        gap: 2rem;
        padding: 0;
        border: none;
    }

    .nav-menu li {
        border: none;
    }

    .nav-menu a {
        padding: 0.5rem 0;
        border-bottom: 2px solid transparent;
    }

    .nav-menu a:hover {
        border-bottom: 2px solid var(--color-gold);
        background: transparent;
        padding-left: 0;
    }

    .hamburger {
        display: none;
    }

    .nav-cta {
        gap: 1rem;
    }
}

/* ============================================================================
   6. BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 600;
    transition: all var(--transition-base);
    white-space: nowrap;
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
    display: inline-flex;
}

.btn-primary {
    background: var(--color-deep-blue);
    color: white;
}

.btn-primary:hover {
    background: var(--color-deep-blue-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-gold {
    background: var(--color-gold);
    color: var(--color-deep-blue);
    font-weight: 700;
}

.btn-gold:hover {
    background: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(197, 160, 89, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--text-primary);
}

.btn-outline:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.btn-outline-gold {
    background: transparent;
    color: var(--color-gold);
    border: 2px solid var(--color-gold);
}

.btn-outline-gold:hover {
    background: var(--color-gold);
    color: var(--color-deep-blue);
}

.btn-whatsapp {
    background: #25D366;
    color: white;
}

.btn-whatsapp:hover {
    background: #20BA58;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.3);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================================================
   7. CARDS
   ============================================================================ */

.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    transition: all var(--transition-base);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card:hover {
    border-color: var(--color-gold);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-icon {
    font-size: 2.5rem;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card-text {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    flex-grow: 1;
}

.card-footer {
    display: flex;
    gap: 1rem;
    margin-top: auto;
}

/* Feature Card Styles */
.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
}

.feature-card .card-icon {
    margin-left: auto;
    margin-right: auto;
    font-size: 3rem;
}

/* ============================================================================
   8. SECTIONS & LAYOUT
   ============================================================================ */

.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.section {
    padding: 3rem 0;
}

.section-lg {
    padding: 4rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.section-blue {
    background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-deep-blue-light) 100%);
    color: white;
}

.section-light {
    background: var(--bg-secondary);
}

.section-white {
    background: var(--bg-primary);
}

/* ============================================================================
   9. HERO SECTION
   ============================================================================ */

.hero {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--color-deep-blue) 0%, var(--color-deep-blue-light) 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    right: -10%;
    width: 40%;
    height: 100%;
    background: radial-gradient(circle at center, rgba(197, 160, 89, 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-block;
    background: var(--color-gold);
    color: var(--color-deep-blue);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: clamp(2rem, 6vw, 4rem);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.25rem);
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 2rem;
    opacity: 0.95;
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.hero-cta .btn {
    flex: 1;
    min-width: 160px;
}

.hero-image {
    text-align: center;
    position: relative;
}

.hero-image-placeholder {
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-2xl);
    padding: 3rem;
    backdrop-filter: blur(10px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

.hero-image-placeholder .icon {
    font-size: 4rem;
    color: var(--color-gold);
}

.hero-image-placeholder p {
    color: white;
    margin: 0;
}

/* ============================================================================
   10. GRID LAYOUTS
   ============================================================================ */

.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-1 {
    grid-template-columns: 1fr;
}

.grid-cols-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

@media (min-width: 768px) {
    .grid-cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 1024px) {
    .grid-cols-3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid-cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

.gap-sm {
    gap: 1rem;
}

.gap-md {
    gap: 1.5rem;
}

.gap-lg {
    gap: 2rem;
}

/* ============================================================================
   11. BADGES & LABELS
   ============================================================================ */

.badge {
    display: inline-block;
    padding: 0.35rem 0.85rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.badge-primary {
    background: var(--color-deep-blue);
    color: white;
}

.badge-gold {
    background: var(--color-gold);
    color: var(--color-deep-blue);
}

.badge-success {
    background: var(--color-success);
    color: white;
}

.badge-info {
    background: var(--color-info);
    color: white;
}

/* ============================================================================
   12. FORMS
   ============================================================================ */

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-gold);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.1);
}

.form-control::placeholder {
    color: var(--text-tertiary);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-error {
    color: var(--color-error);
    font-size: 0.875rem;
    margin-top: 0.35rem;
}

/* ============================================================================
   13. CAROUSEL / SLIDER
   ============================================================================ */

.carousel {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-lg);
}

.carousel-inner {
    display: flex;
    transition: transform var(--transition-base);
}

.carousel-item {
    flex: 0 0 100%;
    display: flex;
    flex-direction: column;
}

.carousel-controls {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot.active {
    background: var(--color-gold);
    width: 30px;
    border-radius: var(--radius-full);
}

/* ============================================================================
   14. ANIMATIONS
   ============================================================================ */

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(197, 160, 89, 0.3);
    }
    50% {
        box-shadow: 0 0 40px rgba(197, 160, 89, 0.6);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
    animation: fadeIn 0.4s ease-out forwards;
}

.animate-glow {
    animation: glow 2s ease-in-out infinite;
}

/* Stagger animations */
.stagger-item:nth-child(1) { animation-delay: 0.1s; }
.stagger-item:nth-child(2) { animation-delay: 0.2s; }
.stagger-item:nth-child(3) { animation-delay: 0.3s; }
.stagger-item:nth-child(4) { animation-delay: 0.4s; }
.stagger-item:nth-child(5) { animation-delay: 0.5s; }

/* ============================================================================
   15. UTILITIES
   ============================================================================ */

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

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.py-3 { padding: 1.5rem 0; }
.py-4 { padding: 2rem 0; }
.py-5 { padding: 3rem 0; }
.px-3 { padding: 0 1.5rem; }
.px-4 { padding: 0 2rem; }
.px-5 { padding: 0 3rem; }

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-90 { opacity: 0.9; }

.text-muted {
    color: var(--text-secondary);
}

.text-light {
    color: var(--text-tertiary);
}

.text-white {
    color: white;
}

.text-gold {
    color: var(--color-gold);
}

.bg-gold {
    background: var(--color-gold);
}

.bg-light {
    background: var(--bg-tertiary);
}

.rounded-md {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.shadow-sm {
    box-shadow: var(--shadow-sm);
}

.shadow {
    box-shadow: var(--shadow-md);
}

.shadow-lg {
    box-shadow: var(--shadow-lg);
}

.hidden {
    display: none !important;
}

.w-full {
    width: 100%;
}

.max-w-md {
    max-width: 28rem;
}

.max-w-lg {
    max-width: 32rem;
}

.max-w-xl {
    max-width: 36rem;
}

.mx-auto {
    margin-left: auto;
    margin-right: auto;
}

/* ============================================================================
   16. RESPONSIVE MEDIA QUERIES
   ============================================================================ */

/* Mobile First - Small Devices (< 576px) */
@media (max-width: 576px) {
    .hero-cta .btn {
        width: 100%;
    }

    .section {
        padding: 2rem 0;
    }

    .section-lg {
        padding: 2.5rem 0;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    .grid-cols-3 {
        grid-template-columns: 1fr;
    }

    .card {
        padding: 1rem;
    }
}

/* Tablet (576px - 768px) */
@media (min-width: 576px) and (max-width: 768px) {
    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero-cta {
        gap: 0.75rem;
    }

    .hero-cta .btn {
        flex: 1 1 calc(50% - 0.375rem);
    }
}

/* Desktop (> 768px) */
@media (min-width: 768px) {
    .hero-cta .btn {
        flex: 0 1 auto;
    }

    .hero-image {
        display: block;
    }
}

/* Large Desktop (> 1200px) */
@media (min-width: 1200px) {
    .container {
        padding: 0 2rem;
    }

    .hero {
        padding: 6rem 0;
    }

    .section-lg {
        padding: 6rem 0;
    }
}

/* ============================================================================
   17. SCROLL TO TOP BUTTON
   ============================================================================ */

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background: var(--color-gold);
    color: var(--color-deep-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
    z-index: 900;
    box-shadow: var(--shadow-lg);
    font-size: 1.25rem;
}

.scroll-to-top.show {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--color-gold-hover);
    transform: translateY(-3px);
}

/* ============================================================================
   18. ACCESSIBILITY
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: more) {
    .border {
        border-width: 2px;
    }

    button {
        text-decoration: underline;
    }
}

/* Focus Visible for Accessibility */
a:focus-visible,
button:focus-visible,
input:focus-visible {
    outline: 3px solid var(--color-gold);
    outline-offset: 2px;
}

/* Print Styles */
@media print {
    .navbar,
    .scroll-to-top,
    .btn-whatsapp {
        display: none;
    }

    body {
        background: white;
        color: black;
    }
}

/* ============================================================================
   19. FLOATING ELEMENTS & SPECIAL EFFECTS
   ============================================================================ */

.floating {
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* ============================================================================
   20. RATING STARS
   ============================================================================ */

.stars {
    color: var(--color-gold);
    font-size: 1rem;
    letter-spacing: 0.1rem;
}

.stars .empty {
    color: var(--border-color);
}