/*!
 * Daily Dividend - Professional Landing Page Styles
 * ================================================
 * 
 * A comprehensive CSS framework for the Daily Dividend landing page.
 * Features responsive design, modern UI patterns, and accessibility compliance.
 * 
 * Architecture:
 * - CSS Reset & Base Styles
 * - Layout Components (Grid, Flexbox)
 * - UI Components (Buttons, Cards, Forms)
 * - Navigation & Header
 * - Hero Section
 * - Content Sections (Features, Pricing, etc.)
 * - Footer
 * - Responsive Design
 * - Animations & Transitions
 * - Accessibility Features
 * 
 * Author: Daily Dividend Team
 * Version: 2.0
 * Last Updated: 2024
 */

/* ===========================================
   CSS RESET & BASE STYLES
   ===========================================
   Modern CSS reset with improved defaults
   and consistent cross-browser behavior.
*/

/* Universal Reset */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Root Variables for Consistent Theming */
:root {
    /* Color Palette */
    --color-primary: #374151;
    --color-primary-dark: #1f2937;
    --color-primary-light: #6b7280;
    --color-secondary: #25d366;
    --color-secondary-dark: #20c55a;
    --color-accent: #2563eb;
    
    /* Neutral Colors */
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Semantic Colors */
    --color-success: #10b981;
    --color-error: #ef4444;
    --color-warning: #f59e0b;
    --color-info: #3b82f6;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing Scale */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;
    --spacing-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Z-Index Scale */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
    --z-toast: 1080;
}

/* Base HTML Element Styles */
html {
    scroll-behavior: smooth;
    font-size: 16px; /* Base font size for rem calculations */
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ===========================================
   LAYOUT COMPONENTS
   ===========================================
   Reusable layout utilities and containers.
*/

/* Main Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-5);
}

/* Screen Reader Only Content */
.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;
}

/* ===========================================
   NAVIGATION COMPONENT
   ===========================================
   Fixed navigation bar with responsive design
   and smooth scroll behavior.
*/

/* Main Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-gray-200);
    z-index: var(--z-fixed);
    transition: all var(--transition-normal);
}

/* Navigation Container */
.navbar__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

/* Brand/Logo Section */
.navbar__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
}

.navbar__logo-image {
    height: 2.5rem;
    width: auto;
    max-width: 5rem;
    object-fit: contain;
    display: block;
}

/* Navigation Menu */
.navbar__menu {
    display: flex;
    gap: var(--spacing-8);
    align-items: center;
    list-style: none;
}

.navbar__menu-item {
    margin: 0;
}

.navbar__menu-link {
    text-decoration: none;
    color: var(--color-gray-500);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: color var(--transition-normal);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
}

.navbar__menu-link:hover,
.navbar__menu-link:focus {
    color: var(--color-gray-700);
    background-color: var(--color-gray-100);
    outline: none;
}

.navbar__menu-link:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Mobile Menu Toggle (for future implementation) */
.navbar__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-2);
    border-radius: var(--radius-md);
}

.navbar__toggle:hover {
    background-color: var(--color-gray-100);
}

/* Legacy class support (for existing HTML) */
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-5);
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-accent);
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: var(--spacing-8);
    align-items: center;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--color-gray-500);
    font-weight: 500;
    font-size: var(--font-size-base);
    transition: color var(--transition-normal);
    padding: var(--spacing-2) var(--spacing-3);
    border-radius: var(--radius-md);
}

.nav-links a:hover,
.nav-links a:focus {
    color: var(--color-gray-700);
    background-color: var(--color-gray-100);
    outline: none;
}

.nav-links a:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

.logo-dd-image {
    height: 2.5rem;
    width: auto;
    max-width: 5rem;
    object-fit: contain;
    display: block;
}

/* ===========================================
   HERO SECTION
   ===========================================
   Main landing section with value proposition
   and call-to-action. Optimized for performance
   with lazy loading and efficient animations.
*/

/* Hero Container */
.hero {
    padding: 120px 0 80px;
    background: var(--color-gray-50);
    color: var(--color-gray-800);
    position: relative;
    overflow: hidden;
    /* Performance optimization: Enable hardware acceleration */
    transform: translateZ(0);
    will-change: transform;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1000 1000"><defs><radialGradient id="a" cx="50%" cy="50%"><stop offset="0%" stop-color="%23ffffff" stop-opacity="0.1"/><stop offset="100%" stop-color="%23ffffff" stop-opacity="0"/></radialGradient></defs><circle cx="200" cy="200" r="300" fill="url(%23a)"/><circle cx="800" cy="300" r="200" fill="url(%23a)"/><circle cx="400" cy="700" r="250" fill="url(%23a)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
}

.gradient-text {
    color: #374151;
}

.hero-subtitle {
    font-size: 1.4rem;
    color: #6b7280;
    margin-bottom: 40px;
    line-height: 1.6;
    font-style: italic;
}

.hero-cta {
    margin-bottom: 50px;
}

.signup-form {
    display: flex;
    gap: 15px;
    margin-bottom: 15px;
    max-width: 500px;
}

.input-group {
    display: flex;
    background: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    flex: 1;
    gap: 0;
}

.input-group input {
    border: none;
    padding: 15px 20px;
    font-size: 1rem;
    outline: none;
    color: #1e293b;
}

.input-group input:first-child {
    width: 100px;
    background: #f8fafc;
    border-right: 1px solid #e2e8f0;
    color: #64748b;
    font-weight: 600;
    text-align: center;
}

.input-group input:last-child {
    flex: 1;
}

.input-group input::placeholder {
    color: #94a3b8;
}

.cta-button {
    background: #25d366;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.3);
    white-space: nowrap;
}

.cta-button:hover {
    background: #20c55a;
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.4);
}

.cta-note {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
    margin-left: 10px;
}


/* Phone Mockup */
.phone-mockup {
    position: relative;
    max-width: 300px;
    margin: 0 auto;
}

.phone-screen {
    background: #000;
    border-radius: 30px;
    padding: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.whatsapp-chat {
    background: #075e54;
    border-radius: 20px;
    overflow: hidden;
    height: 500px;
    display: flex;
    flex-direction: column;
}

.chat-header {
    background: #128c7e;
    padding: 15px 20px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: white;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.chat-info h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.chat-info span {
    font-size: 0.8rem;
    opacity: 0.8;
}

.chat-messages {
    flex: 1;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    overflow-y: auto;
}

.message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 18px;
    position: relative;
}

.bot-message {
    background: #2a2f32;
    color: white;
    align-self: flex-start;
}

.user-message {
    background: #25d366;
    color: white;
    align-self: flex-end;
}

.message p {
    margin-bottom: 5px;
    font-size: 0.9rem;
}

.time {
    font-size: 0.7rem;
    opacity: 0.7;
    position: absolute;
    bottom: -15px;
    right: 0;
}

/* Features Section */
.features {
    padding: 100px 0;
    background: white;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 15px;
}

.section-header p {
    font-size: 1.2rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.feature-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: #374151;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.feature-card p {
    color: #6b7280;
    line-height: 1.6;
}

/* How It Works Section */
.how-it-works {
    padding: 100px 0;
    background: #f8fafc;
}

.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.step {
    display: flex;
    align-items: flex-start;
    gap: 20px;
}

.step-number {
    width: 60px;
    height: 60px;
    background: #374151;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 10px;
}

.step-content p {
    color: #6b7280;
    line-height: 1.6;
}

/* Pricing Section */
.pricing {
    padding: 100px 0;
    background: white;
}

.pricing-cards {
    display: flex;
    flex-direction: row;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    justify-content: center;
    align-items: stretch;
}

.pricing-card {
    flex: 1;
    min-width: 0;
    background: white;
    border-radius: 20px;
    padding: 40px 30px;
    text-align: center;
    position: relative;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border: 2px solid #e5e7eb;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

/* Free tier - highlighted with black outline */
.pricing-card.free {
    border-color: #1f2937;
    border-width: 3px;
    transform: scale(1.05);
    box-shadow: 0 8px 30px rgba(31, 41, 55, 0.2);
}

.pricing-card.free:hover {
    transform: translateY(-8px) scale(1.05);
    box-shadow: 0 15px 50px rgba(31, 41, 55, 0.3);
}

/* Coming soon cards - grayed out */
.pricing-card.coming-soon-card {
    opacity: 0.6;
    background: #f9fafb;
    border-color: #d1d5db;
    transform: none;
    position: relative;
}

.pricing-card.coming-soon-card:hover {
    transform: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

/* Lock overlay for coming soon cards */
.lock-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(249, 250, 251, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 5;
    border-radius: 20px;
    backdrop-filter: blur(2px);
}

.lock-icon {
    font-size: 4rem;
    margin-bottom: 15px;
    animation: lockPulse 2s ease-in-out infinite;
}

.lock-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: #6b7280;
    text-align: center;
    letter-spacing: 0.5px;
}

@keyframes lockPulse {
    0%, 100% {
        transform: scale(1);
        opacity: 0.8;
    }
    50% {
        transform: scale(1.1);
        opacity: 1;
    }
}

.pricing-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: #374151;
    color: white;
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Coming Soon Sticker */
.coming-soon-sticker {
    position: absolute;
    top: 20px;
    right: 20px;
    background: #6b7280;
    color: white;
    padding: 8px 16px;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 4px 15px rgba(107, 114, 128, 0.3);
    animation: pulse-glow 2s ease-in-out infinite;
    z-index: 10;
}

.coming-soon-sticker i {
    font-size: 0.9rem;
    animation: bounce 1.5s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 6px 20px rgba(102, 126, 234, 0.5);
        transform: scale(1.02);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-3px);
    }
    60% {
        transform: translateY(-2px);
    }
}

.pricing-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 15px;
}

.price {
    margin-bottom: 30px;
}

.currency {
    font-size: 1rem;
    color: #6b7280;
    vertical-align: bottom;
}

.amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
}

.period {
    font-size: 0.9rem;
    color: #6b7280;
}

.pricing-features {
    list-style: none;
    margin-bottom: 30px;
    text-align: left;
    flex-grow: 1;
    padding: 0;
    margin-left: 0;
    margin-right: 0;
}

.pricing-features li {
    padding: 10px 0;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    gap: 10px;
    color: #6b7280;
    text-align: left;
    margin: 0;
    padding-left: 0;
}

.pricing-features i {
    color: #10b981;
    font-size: 1.2rem;
}

.pricing-button {
    width: 100%;
    padding: 15px 30px;
    border: 2px solid #e5e7eb;
    background: white;
    color: #6b7280;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
    margin-top: auto;
}

.pricing-button:hover {
    border-color: #374151;
    color: #374151;
}

.pro-button {
    background: #374151;
    color: white;
    border-color: #374151;
}

.pro-button:hover {
    background: #1f2937;
    border-color: #1f2937;
    color: white;
}

.premium-button {
    background: #1f2937;
    color: white;
    border-color: #1f2937;
}

.premium-button:hover {
    background: #111827;
    border-color: #111827;
    color: white;
}

/* Coming Soon Button Styles */
.coming-soon-button {
    background: #374151 !important;
    color: white !important;
    border: 2px solid #374151 !important;
    position: relative;
    overflow: hidden;
}

.coming-soon-button:hover {
    background: #1f2937 !important;
    border-color: #1f2937 !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(55, 65, 81, 0.4);
}

.coming-soon-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.coming-soon-button:hover::before {
    left: 100%;
}

/* Disabled state for coming soon cards */
.pricing-card.pro .pricing-features li,
.pricing-card.premium .pricing-features li {
    opacity: 0.7;
    position: relative;
}

.pricing-card.pro .pricing-features li::after,
.pricing-card.premium .pricing-features li::after {
    content: '🔒';
    position: absolute;
    right: 0;
    font-size: 0.8rem;
    opacity: 0.5;
}

/* Social Proof Section */
.social-proof {
    padding: 100px 0;
    background: #f8fafc;
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.testimonial {
    background: white;
    padding: 30px;
    border-radius: 20px;
    border: 1px solid #e5e7eb;
}

.testimonial-content p {
    font-size: 1.1rem;
    color: #1f2937;
    margin-bottom: 20px;
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    background: #374151;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 1.2rem;
}

.author-info h4 {
    color: #1f2937;
    font-weight: 600;
    margin-bottom: 2px;
}

.author-info span {
    color: #6b7280;
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
    background: #1f2937;
    color: white;
    text-align: center;
}

/* Terms Section */
.terms-section {
    padding: 100px 0;
    background: white;
}

.terms-content {
    max-width: 800px;
    margin: 0 auto;
}

.terms-text {
    text-align: left;
    line-height: 1.8;
}

.terms-text h3 {
    color: #1f2937;
    font-size: 1.3rem;
    font-weight: 600;
    margin: 30px 0 15px 0;
}

.terms-text h3:first-child {
    margin-top: 0;
}

.terms-text p {
    color: #6b7280;
    margin-bottom: 20px;
    font-size: 1rem;
}

.cta-content h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-form {
    display: flex;
    gap: 15px;
    justify-content: center;
    max-width: 500px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: #1e293b;
    color: white;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand p {
    color: #94a3b8;
    margin: 15px 0 25px;
    line-height: 1.6;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #2563eb;
    margin-bottom: 15px;
}

.footer-logo .logo-dd {
    color: #f9fafb;
}

.footer-logo .logo-dd::before {
    color: #9ca3af;
}


.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 40px;
    height: 40px;
    background: #374151;
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #374151;
    transform: translateY(-2px);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-column h4 {
    color: white;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-column ul {
    list-style: none;
}

.footer-column li {
    margin-bottom: 10px;
}

.footer-column a {
    color: #94a3b8;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    border-top: 1px solid #374151;
    padding-top: 30px;
    text-align: center;
    color: #94a3b8;
}

/* Contact Section Styles */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1.1rem;
}

.contact-item i {
    font-size: 1.5rem;
    width: 30px;
    text-align: center;
}

.social-links h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 25px;
    text-align: center;
}

.social-icons {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.social-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    color: white;
    font-size: 1.5rem;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.social-icon:hover {
    transform: translateY(-5px);
    border-color: white;
}

.social-icon.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-icon.twitter {
    background: #1da1f2;
}

.social-icon.linkedin {
    background: #0077b5;
}

.social-icon.whatsapp {
    background: #25d366;
}

/* Responsive Design */
@media (max-width: 768px) {
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }
    
    .contact-info h3 {
        font-size: 2rem;
    }
    
    .social-icons {
        flex-wrap: wrap;
        gap: 15px;
    }
    
    .social-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
    
    .nav-links {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .signup-form {
        flex-direction: column;
        max-width: 100%;
    }
    
    .cta-form {
        flex-direction: column;
        max-width: 100%;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    /* Mobile Feature Icons */
    .feature-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
    }
    
    /* Mobile Pricing Cards */
    .pricing-cards {
        flex-direction: column;
        gap: 20px;
        padding: 0 10px;
    }
    
    .pricing-card {
        width: 100%;
        margin: 0;
        padding: 30px 20px;
    }
    
    .pricing-card.free {
        transform: none;
        border-width: 2px;
    }
    
    .pricing-card.free:hover {
        transform: translateY(-5px);
    }
    
    .pricing-card.coming-soon-card {
        opacity: 0.7;
    }
    
    /* Mobile Lock Overlay */
    .lock-overlay {
        padding: 15px;
    }
    
    .lock-icon {
        font-size: 2.5rem;
        margin-bottom: 8px;
    }
    
    .lock-text {
        font-size: 0.9rem;
    }
    
    /* Mobile Coming Soon Sticker */
    .coming-soon-sticker {
        top: 15px;
        right: 15px;
        padding: 6px 12px;
        font-size: 0.7rem;
    }
    
    /* Mobile Pricing Header */
    .pricing-header h3 {
        font-size: 1.3rem;
    }
    
    .amount {
        font-size: 2rem;
    }
    
    .currency {
        font-size: 0.9rem;
    }
    
    .period {
        font-size: 0.8rem;
    }
    
    /* Mobile Pricing Features */
    .pricing-features {
        margin-bottom: 20px;
    }
    
    .pricing-features li {
        padding: 8px 0;
        font-size: 0.9rem;
    }
    
    .pricing-features li i {
        font-size: 0.9rem;
    }
    
    /* Mobile Pricing Button */
    .pricing-button {
        padding: 12px 20px;
        font-size: 0.9rem;
    }
    
    .pricing-button i {
        font-size: 0.8rem;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .phone-mockup {
        max-width: 250px;
    }
    
    .whatsapp-chat {
        height: 400px;
    }
    
    /* Extra Small Mobile Pricing */
    .pricing-cards {
        gap: 15px;
        padding: 0 5px;
    }
    
    .pricing-card {
        padding: 25px 15px;
    }
    
    .lock-icon {
        font-size: 1.8rem;
        margin-bottom: 6px;
    }
    
    .lock-text {
        font-size: 0.8rem;
    }
    
    .coming-soon-sticker {
        top: 10px;
        right: 10px;
        padding: 4px 8px;
        font-size: 0.6rem;
    }
    
    .pricing-header h3 {
        font-size: 1.2rem;
    }
    
    .amount {
        font-size: 1.8rem;
    }
    
    .pricing-features li {
        font-size: 0.8rem;
        padding: 6px 0;
    }
    
    .pricing-button {
        padding: 10px 16px;
        font-size: 0.8rem;
    }
    
    .pricing-button i {
        font-size: 0.7rem;
    }
    
    .pricing-features li i {
        font-size: 0.8rem;
    }
    
    /* Extra Small Mobile Feature Icons */
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}

/* Mobile Waitlist Modal */
@media (max-width: 768px) {
    .waitlist-modal__content {
        padding: 30px 20px;
        margin: 20px;
        max-height: 85vh;
    }
    
    .waitlist-modal__header h3 {
        font-size: 1.5rem;
    }
    
    .waitlist-modal__icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
    
    .form-group input {
        padding: 10px 12px;
        font-size: 0.9rem;
    }
    
    .waitlist-submit-btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

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

.feature-card,
.step,
.testimonial {
    animation: fadeInUp 0.6s ease-out;
}

/* ===========================================
   PERFORMANCE OPTIMIZATIONS
   ===========================================
   CSS optimizations for better performance,
   including hardware acceleration, efficient
   animations, and reduced repaints.
*/

/* Hardware acceleration for smooth animations */
.feature-card,
.step,
.testimonial,
.pricing-card {
    /* Enable hardware acceleration for smooth transforms */
    transform: translateZ(0);
    will-change: transform, opacity;
}

/* Optimize transitions for better performance */
* {
    /* Use transform and opacity for animations when possible */
    transition-property: transform, opacity, color, background-color;
    transition-timing-function: ease;
}

/* Reduce layout thrashing with contain property */
.feature-card,
.pricing-card,
.testimonial {
    contain: layout style paint;
}

/* ===========================================
   ACCESSIBILITY FEATURES
   ===========================================
   Enhanced accessibility with focus states,
   screen reader support, and keyboard navigation.
*/

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Focus states for accessibility */
.cta-button:focus,
.pricing-button:focus,
input:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .feature-card,
    .pricing-card,
    .testimonial {
        border: 2px solid var(--color-gray-800);
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* ===========================================
   LOADING STATES & MICRO-INTERACTIONS
   ===========================================
   Loading states, button interactions, and
   visual feedback for better user experience.
*/

/* Loading states */
.cta-button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.cta-button.loading {
    position: relative;
}

.cta-button.loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

@keyframes spin {
    0% { transform: translateY(-50%) rotate(0deg); }
    100% { transform: translateY(-50%) rotate(360deg); }
}

/* Error states for form validation */
input.error {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Success states */
input:valid {
    border-color: var(--color-success);
}

/* ===========================================
   PHONE SIGNUP MODAL
   ===========================================
   Modal for collecting name and email after phone number entry.
*/

.phone-signup-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.phone-signup-modal__content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.phone-signup-modal__header {
    text-align: center;
    margin-bottom: 30px;
}

.phone-signup-modal__icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.3);
}

.phone-signup-modal__header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.phone-signup-modal__header p {
    color: #6b7280;
    font-size: 1rem;
}

.phone-signup-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.phone-signup-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.phone-signup-form label {
    font-weight: 600;
    color: #374151;
    font-size: 0.9rem;
}

.phone-signup-form input {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.phone-signup-form input:focus {
    outline: none;
    border-color: #10b981;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

.phone-signup-form input.readonly-field {
    background: #f9fafb;
    color: #6b7280;
    cursor: not-allowed;
}

.phone-signup-submit-btn {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.3);
}

.phone-signup-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(16, 185, 129, 0.4);
}

.phone-signup-submit-btn:active {
    transform: translateY(0);
}

.phone-signup-modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #9ca3af;
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.phone-signup-modal__close:hover {
    background: #f3f4f6;
    color: #374151;
}

/* ===========================================
   WAITLIST MODAL
   ===========================================
   Professional waitlist form for premium features.
*/

.waitlist-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.waitlist-modal__content {
    background: white;
    border-radius: 20px;
    padding: 40px;
    max-width: 500px;
    width: 90%;
    position: relative;
    animation: slideUp 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}

.waitlist-modal__header {
    text-align: center;
    margin-bottom: 30px;
}

.waitlist-modal__icon {
    width: 80px;
    height: 80px;
    background: #374151;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: white;
    font-size: 2rem;
    animation: pulse 2s ease-in-out infinite;
}

.waitlist-modal__header h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 10px;
}

.waitlist-modal__header p {
    color: #6b7280;
    font-size: 1.1rem;
}

.waitlist-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 600;
    color: #374151;
    font-size: 0.9rem;
}

.form-group input {
    padding: 12px 16px;
    border: 2px solid #e5e7eb;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input:focus {
    outline: none;
    border-color: #374151;
    box-shadow: 0 0 0 3px rgba(55, 65, 81, 0.1);
}

.waitlist-submit-btn {
    background: #374151;
    color: white;
    border: none;
    padding: 15px 30px;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
    margin-top: 10px;
}

.waitlist-submit-btn:hover {
    background: #1f2937;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(55, 65, 81, 0.4);
}

.waitlist-modal__close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: #9ca3af;
    cursor: pointer;
    padding: 5px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.waitlist-modal__close:hover {
    background: #f3f4f6;
    color: #374151;
}

/* ===========================================
   RESPONSIVE DESIGN
   ===========================================
   Mobile-first responsive design with breakpoints
   for optimal viewing across all devices.
   Uses CSS Grid and Flexbox for efficient layouts.
*/