/*
Theme Name: Speech to Text
Theme URI: https://your-domain.com/speech-to-text-theme
Author: Your Name
Author URI: https://your-domain.com
Description: A modern, fast WordPress theme with built-in speech-to-text functionality supporting 70+ languages with special focus on Urdu and Hindi. Features real-time transcription, RTL support, and beautiful responsive design.
Version: 1.0.0
Requires at least: 5.8
Tested up to: 6.4
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: speech-to-text-theme
Tags: one-column, two-columns, right-sidebar, custom-background, custom-colors, custom-header, custom-logo, custom-menu, featured-images, footer-widgets, full-width-template, rtl-language-support, theme-options, translation-ready, blog, education

Speech to Text Theme - Convert your voice to text in 70+ languages.
Special support for Urdu and Hindi with RTL text direction and native fonts.
*/

/* ============================================
   CSS Variables / Design System
   ============================================ */
:root {
    /* Primary Colors - Deep Teal & Coral Accent */
    --stt-primary: #0d9488;
    --stt-primary-hover: #0f766e;
    --stt-primary-light: #ccfbf1;
    --stt-primary-dark: #115e59;
    --stt-primary-rgb: 13, 148, 136;
    
    /* Accent */
    --stt-accent: #f97316;
    --stt-accent-hover: #ea580c;
    --stt-accent-light: #ffedd5;
    
    /* Recording State */
    --stt-recording: #ef4444;
    --stt-recording-light: #fef2f2;
    --stt-recording-pulse: rgba(239, 68, 68, 0.4);
    
    /* Success/Info */
    --stt-success: #22c55e;
    --stt-info: #3b82f6;
    --stt-warning: #eab308;
    
    /* Neutrals */
    --stt-white: #ffffff;
    --stt-black: #000000;
    --stt-gray-50: #f9fafb;
    --stt-gray-100: #f3f4f6;
    --stt-gray-200: #e5e7eb;
    --stt-gray-300: #d1d5db;
    --stt-gray-400: #9ca3af;
    --stt-gray-500: #6b7280;
    --stt-gray-600: #4b5563;
    --stt-gray-700: #374151;
    --stt-gray-800: #1f2937;
    --stt-gray-900: #111827;
    
    /* Typography */
    --stt-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --stt-font-display: 'Outfit', var(--stt-font-sans);
    --stt-font-urdu: 'Noto Nastaliq Urdu', 'Jameel Noori Nastaleeq', serif;
    --stt-font-hindi: 'Noto Sans Devanagari', 'Mangal', sans-serif;
    --stt-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    
    /* Font Sizes */
    --stt-text-xs: 0.75rem;
    --stt-text-sm: 0.875rem;
    --stt-text-base: 1rem;
    --stt-text-lg: 1.125rem;
    --stt-text-xl: 1.25rem;
    --stt-text-2xl: 1.5rem;
    --stt-text-3xl: 1.875rem;
    --stt-text-4xl: 2.25rem;
    --stt-text-5xl: 3rem;
    --stt-text-6xl: 3.75rem;
    
    /* Spacing */
    --stt-space-xs: 0.25rem;
    --stt-space-sm: 0.5rem;
    --stt-space-md: 1rem;
    --stt-space-lg: 1.5rem;
    --stt-space-xl: 2rem;
    --stt-space-2xl: 3rem;
    --stt-space-3xl: 4rem;
    --stt-space-4xl: 6rem;
    
    /* Layout */
    --stt-container-sm: 640px;
    --stt-container-md: 768px;
    --stt-container-lg: 1024px;
    --stt-container-xl: 1280px;
    --stt-container-2xl: 1536px;
    
    /* Borders & Shadows */
    --stt-radius-sm: 0.375rem;
    --stt-radius-md: 0.5rem;
    --stt-radius-lg: 0.75rem;
    --stt-radius-xl: 1rem;
    --stt-radius-2xl: 1.5rem;
    --stt-radius-full: 9999px;
    
    --stt-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --stt-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --stt-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --stt-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --stt-shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --stt-shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Transitions */
    --stt-transition-fast: 150ms ease;
    --stt-transition-base: 200ms ease;
    --stt-transition-slow: 300ms ease;
    --stt-transition-slower: 500ms ease;
    
    /* Z-index */
    --stt-z-dropdown: 100;
    --stt-z-sticky: 200;
    --stt-z-fixed: 300;
    --stt-z-modal: 400;
    --stt-z-popover: 500;
    --stt-z-tooltip: 600;
}

/* ============================================
   CSS Reset & Base
   ============================================ */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--stt-font-sans);
    font-size: var(--stt-text-base);
    line-height: 1.6;
    color: var(--stt-gray-800);
    background-color: var(--stt-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ============================================
   Typography
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--stt-font-display);
    font-weight: 700;
    line-height: 1.2;
    color: var(--stt-gray-900);
    margin-bottom: var(--stt-space-md);
}

h1 { font-size: var(--stt-text-4xl); }
h2 { font-size: var(--stt-text-3xl); }
h3 { font-size: var(--stt-text-2xl); }
h4 { font-size: var(--stt-text-xl); }
h5 { font-size: var(--stt-text-lg); }
h6 { font-size: var(--stt-text-base); }

p {
    margin-bottom: var(--stt-space-md);
}

a {
    color: var(--stt-primary);
    text-decoration: none;
    transition: color var(--stt-transition-fast);
}

a:hover {
    color: var(--stt-primary-hover);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    margin-bottom: var(--stt-space-md);
    padding-left: var(--stt-space-lg);
}

li {
    margin-bottom: var(--stt-space-xs);
}

/* ============================================
   Layout Components
   ============================================ */
.container {
    width: 100%;
    max-width: var(--stt-container-xl);
    margin: 0 auto;
    padding: 0 var(--stt-space-lg);
}

.container-narrow {
    max-width: var(--stt-container-md);
}

.container-wide {
    max-width: var(--stt-container-2xl);
}

/* ============================================
   Header
   ============================================ */
.site-header {
    position: sticky;
    top: 0;
    z-index: var(--stt-z-sticky);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--stt-gray-100);
    transition: box-shadow var(--stt-transition-base);
}

.site-header.scrolled {
    box-shadow: var(--stt-shadow-md);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}

.site-branding {
    display: flex;
    align-items: center;
    gap: var(--stt-space-sm);
}

.site-logo {
    display: flex;
    align-items: center;
    gap: var(--stt-space-sm);
    font-family: var(--stt-font-display);
    font-size: var(--stt-text-xl);
    font-weight: 700;
    color: var(--stt-gray-900);
    text-decoration: none;
}

.site-logo svg {
    width: 36px;
    height: 36px;
    color: var(--stt-primary);
}

.site-logo:hover {
    color: var(--stt-primary);
}

/* Navigation */
.main-navigation {
    display: flex;
    align-items: center;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--stt-space-xl);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    font-weight: 500;
    color: var(--stt-gray-600);
    padding: var(--stt-space-sm) 0;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--stt-primary);
    transition: width var(--stt-transition-base);
}

.nav-menu a:hover,
.nav-menu .current-menu-item a {
    color: var(--stt-primary);
}

.nav-menu a:hover::after,
.nav-menu .current-menu-item a::after {
    width: 100%;
}

/* CTA Button in Header */
.header-cta {
    margin-left: var(--stt-space-xl);
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--stt-space-sm);
    padding: var(--stt-space-sm) var(--stt-space-lg);
    font-family: var(--stt-font-sans);
    font-size: var(--stt-text-sm);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--stt-radius-md);
    cursor: pointer;
    transition: all var(--stt-transition-fast);
}

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

.btn-primary:hover {
    background: var(--stt-primary-hover);
    color: var(--stt-white);
    transform: translateY(-1px);
    box-shadow: var(--stt-shadow-md);
}

.btn-secondary {
    background: var(--stt-white);
    color: var(--stt-gray-700);
    border: 2px solid var(--stt-gray-200);
}

.btn-secondary:hover {
    border-color: var(--stt-primary);
    color: var(--stt-primary);
}

.btn-large {
    padding: var(--stt-space-md) var(--stt-space-xl);
    font-size: var(--stt-text-base);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: var(--stt-space-sm);
    cursor: pointer;
    color: var(--stt-gray-700);
}

.menu-toggle svg {
    width: 24px;
    height: 24px;
}

/* ============================================
   Hero Section
   ============================================ */
.hero-section {
    position: relative;
    padding: var(--stt-space-4xl) 0;
    background: linear-gradient(135deg, var(--stt-gray-50) 0%, var(--stt-white) 50%, var(--stt-primary-light) 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(var(--stt-primary-rgb), 0.1) 0%, transparent 70%);
    pointer-events: none;
}

.hero-section::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(249, 115, 22, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--stt-space-sm);
    padding: var(--stt-space-xs) var(--stt-space-md);
    background: var(--stt-white);
    border: 1px solid var(--stt-gray-200);
    border-radius: var(--stt-radius-full);
    font-size: var(--stt-text-sm);
    color: var(--stt-gray-600);
    margin-bottom: var(--stt-space-lg);
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--stt-success);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

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

.hero-title {
    font-size: var(--stt-text-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--stt-space-lg);
    letter-spacing: -0.02em;
}

.hero-title .highlight {
    background: linear-gradient(135deg, var(--stt-primary) 0%, var(--stt-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--stt-text-xl);
    color: var(--stt-gray-600);
    margin-bottom: var(--stt-space-2xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-languages {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--stt-space-md);
    flex-wrap: wrap;
    margin-bottom: var(--stt-space-2xl);
}

.hero-lang-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--stt-space-xs);
    padding: var(--stt-space-sm) var(--stt-space-md);
    background: var(--stt-white);
    border: 2px solid var(--stt-primary-light);
    border-radius: var(--stt-radius-full);
    font-size: var(--stt-text-sm);
    font-weight: 600;
    color: var(--stt-primary-dark);
}

.hero-lang-badge.urdu {
    font-family: var(--stt-font-urdu);
    font-size: var(--stt-text-lg);
}

.hero-lang-badge.hindi {
    font-family: var(--stt-font-hindi);
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
    background: var(--stt-gray-900);
    color: var(--stt-gray-400);
    padding: var(--stt-space-4xl) 0 var(--stt-space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: var(--stt-space-3xl);
    margin-bottom: var(--stt-space-3xl);
}

.footer-brand {
    max-width: 300px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--stt-space-sm);
    font-family: var(--stt-font-display);
    font-size: var(--stt-text-xl);
    font-weight: 700;
    color: var(--stt-white);
    margin-bottom: var(--stt-space-md);
}

.footer-logo svg {
    width: 32px;
    height: 32px;
    color: var(--stt-primary);
}

.footer-description {
    font-size: var(--stt-text-sm);
    line-height: 1.7;
    margin-bottom: var(--stt-space-lg);
}

.footer-social {
    display: flex;
    gap: var(--stt-space-sm);
}

.footer-social a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--stt-gray-800);
    border-radius: var(--stt-radius-md);
    color: var(--stt-gray-400);
    transition: all var(--stt-transition-fast);
}

.footer-social a:hover {
    background: var(--stt-primary);
    color: var(--stt-white);
}

.footer-nav h4 {
    color: var(--stt-white);
    font-size: var(--stt-text-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--stt-space-lg);
}

.footer-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-nav li {
    margin-bottom: var(--stt-space-sm);
}

.footer-nav a {
    color: var(--stt-gray-400);
    font-size: var(--stt-text-sm);
    transition: color var(--stt-transition-fast);
}

.footer-nav a:hover {
    color: var(--stt-white);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--stt-space-xl);
    border-top: 1px solid var(--stt-gray-800);
    font-size: var(--stt-text-sm);
}

.footer-langs {
    display: flex;
    align-items: center;
    gap: var(--stt-space-md);
}

.footer-langs span {
    font-family: var(--stt-font-urdu);
}

/* ============================================
   Page Content
   ============================================ */
.page-content {
    padding: var(--stt-space-3xl) 0;
}

.page-header {
    text-align: center;
    margin-bottom: var(--stt-space-3xl);
}

.page-title {
    font-size: var(--stt-text-4xl);
    margin-bottom: var(--stt-space-md);
}

.page-description {
    font-size: var(--stt-text-lg);
    color: var(--stt-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Features Section
   ============================================ */
.features-section {
    padding: var(--stt-space-4xl) 0;
    background: var(--stt-gray-50);
}

.section-header {
    text-align: center;
    margin-bottom: var(--stt-space-3xl);
}

.section-title {
    font-size: var(--stt-text-3xl);
    margin-bottom: var(--stt-space-md);
}

.section-subtitle {
    font-size: var(--stt-text-lg);
    color: var(--stt-gray-600);
    max-width: 500px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--stt-space-xl);
}

.feature-card {
    background: var(--stt-white);
    padding: var(--stt-space-xl);
    border-radius: var(--stt-radius-xl);
    box-shadow: var(--stt-shadow-sm);
    transition: all var(--stt-transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--stt-shadow-lg);
}

.feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    background: var(--stt-primary-light);
    border-radius: var(--stt-radius-lg);
    color: var(--stt-primary);
    margin-bottom: var(--stt-space-lg);
}

.feature-icon svg {
    width: 28px;
    height: 28px;
}

.feature-title {
    font-size: var(--stt-text-xl);
    margin-bottom: var(--stt-space-sm);
}

.feature-description {
    color: var(--stt-gray-600);
    margin: 0;
}

/* ============================================
   How It Works Section
   ============================================ */
.how-it-works-section {
    padding: var(--stt-space-4xl) 0;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--stt-space-lg);
}

.step-card {
    text-align: center;
    position: relative;
}

.step-card:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 40px;
    right: -30%;
    width: 60%;
    height: 2px;
    background: linear-gradient(to right, var(--stt-primary), var(--stt-gray-200));
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--stt-primary) 0%, var(--stt-primary-dark) 100%);
    border-radius: 50%;
    color: var(--stt-white);
    font-family: var(--stt-font-display);
    font-size: var(--stt-text-3xl);
    font-weight: 700;
    margin: 0 auto var(--stt-space-lg);
    position: relative;
    z-index: 1;
}

.step-title {
    font-size: var(--stt-text-lg);
    margin-bottom: var(--stt-space-sm);
}

.step-description {
    color: var(--stt-gray-600);
    font-size: var(--stt-text-sm);
    margin: 0;
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-section {
    padding: var(--stt-space-4xl) 0;
    background: linear-gradient(180deg, var(--stt-white) 0%, var(--stt-gray-50) 100%);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--stt-space-xl);
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--stt-white);
    border: 2px solid var(--stt-gray-200);
    border-radius: var(--stt-radius-xl);
    padding: var(--stt-space-2xl);
    text-align: center;
    position: relative;
    transition: all var(--stt-transition-base);
}

.pricing-card:hover {
    border-color: var(--stt-primary-light);
    box-shadow: var(--stt-shadow-xl);
}

.pricing-card.featured {
    border-color: var(--stt-primary);
    transform: scale(1.05);
    z-index: 1;
}

.pricing-card.featured::before {
    content: 'Most Popular';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--stt-primary);
    color: var(--stt-white);
    padding: var(--stt-space-xs) var(--stt-space-md);
    border-radius: var(--stt-radius-full);
    font-size: var(--stt-text-xs);
    font-weight: 600;
}

.pricing-name {
    font-size: var(--stt-text-xl);
    margin-bottom: var(--stt-space-md);
}

.pricing-price {
    font-size: var(--stt-text-4xl);
    font-weight: 700;
    color: var(--stt-gray-900);
    margin-bottom: var(--stt-space-md);
}

.pricing-price span {
    font-size: var(--stt-text-base);
    font-weight: 400;
    color: var(--stt-gray-500);
}

.pricing-description {
    color: var(--stt-gray-600);
    margin-bottom: var(--stt-space-xl);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 var(--stt-space-xl) 0;
    text-align: left;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--stt-space-sm);
    padding: var(--stt-space-sm) 0;
    border-bottom: 1px solid var(--stt-gray-100);
    font-size: var(--stt-text-sm);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    width: 18px;
    height: 18px;
    color: var(--stt-success);
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .step-card::after {
        display: none;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }
    
    .main-navigation {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--stt-white);
        padding: var(--stt-space-lg);
        border-bottom: 1px solid var(--stt-gray-200);
        box-shadow: var(--stt-shadow-lg);
    }
    
    .main-navigation.active {
        display: block;
    }
    
    .nav-menu {
        flex-direction: column;
        align-items: stretch;
        gap: 0;
    }
    
    .nav-menu a {
        display: block;
        padding: var(--stt-space-md);
        border-bottom: 1px solid var(--stt-gray-100);
    }
    
    .header-cta {
        margin: var(--stt-space-lg) 0 0;
    }
    
    .header-cta .btn {
        width: 100%;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .hero-title {
        font-size: var(--stt-text-3xl);
    }
    
    .hero-section {
        padding: var(--stt-space-2xl) 0;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        max-width: none;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--stt-space-md);
        text-align: center;
    }
}

/* ============================================
   WordPress Specific
   ============================================ */
.alignleft {
    float: left;
    margin-right: var(--stt-space-lg);
    margin-bottom: var(--stt-space-md);
}

.alignright {
    float: right;
    margin-left: var(--stt-space-lg);
    margin-bottom: var(--stt-space-md);
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: var(--stt-space-md);
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: var(--stt-text-sm);
    color: var(--stt-gray-600);
    margin-top: var(--stt-space-sm);
}

.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.hidden { display: none; }
.visible { display: block; }