/* ============================================
   NutriPaw Website Styles
   Modern, Mobile-First Design
   ============================================ */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #FF6B6B;
    --color-primary-dark: #E55555;
    --color-secondary: #34D399;
    --color-accent: #667EEA;
    
    --color-bg: #0f0f1a;
    --color-bg-light: #1a1a2e;
    --color-bg-card: #242444;
    --color-surface: #16213e;
    
    --color-text: #ffffff;
    --color-text-muted: #a0a0b0;
    --color-text-subtle: #6b6b80;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #FF6B6B 0%, #FF8E53 100%);
    --gradient-secondary: linear-gradient(135deg, #667EEA 0%, #764BA2 100%);
    --gradient-bg: linear-gradient(180deg, #0f0f1a 0%, #1a1a2e 50%, #16213e 100%);
    
    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.2);
    --shadow-glow: 0 0 40px rgba(102, 126, 234, 0.3);
    
    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 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: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

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

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    background: rgba(15, 15, 26, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 700;
    font-size: var(--font-size-xl);
}

.logo-icon {
    font-size: 1.5em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-links a {
    color: var(--color-text-muted);
    font-weight: 500;
    transition: var(--transition-fast);
}

.nav-links a:hover {
    color: var(--color-text);
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-sm);
}

.mobile-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: var(--transition-fast);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    font-family: var(--font-family);
    font-weight: 600;
    font-size: var(--font-size-base);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition-base);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255, 107, 107, 0.4);
}

.btn-secondary {
    background: var(--gradient-secondary);
    color: white;
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: var(--color-text);
}

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

.btn-ghost {
    background: transparent;
    color: var(--color-text-muted);
}

.btn-ghost:hover {
    color: var(--color-text);
}

.btn-sm {
    padding: var(--space-sm) var(--space-md);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--space-lg) var(--space-2xl);
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--space-3xl)) 0 var(--space-3xl);
    overflow: hidden;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-3xl);
    align-items: center;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: rgba(102, 126, 234, 0.1);
    border: 1px solid rgba(102, 126, 234, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
}

.hero h1 {
    font-size: var(--font-size-5xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--space-lg);
}

.hero h1 .highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
    max-width: 500px;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.hero-stats {
    display: flex;
    gap: var(--space-2xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* Hero Image / Phone Mockup */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
}

.phone-mockup {
    position: relative;
    width: 280px;
    height: 560px;
    background: linear-gradient(145deg, #2a2a4a 0%, #1a1a2e 100%);
    border-radius: 40px;
    padding: 12px;
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: var(--color-bg);
    border-radius: 32px;
    overflow: hidden;
}

.app-preview {
    padding: var(--space-lg);
}

.preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    margin-bottom: var(--space-xl);
}

.pet-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.pet-info {
    display: flex;
    flex-direction: column;
}

.pet-name {
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.pet-status {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.nutri-score {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-xl);
}

.score-circle {
    width: 140px;
    height: 140px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 40px rgba(102, 126, 234, 0.4);
}

.score-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
}

.score-label {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.preview-stats {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
}

.mini-stat {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-card);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
}

/* Floating Cards */
.floating-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    animation: float 6s ease-in-out infinite;
}

.floating-card .card-icon {
    font-size: 1.5em;
}

.card-1 {
    top: 20%;
    left: -20px;
    animation-delay: 0s;
}

.card-2 {
    bottom: 25%;
    right: -20px;
    animation-delay: 3s;
}

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at top right, rgba(102, 126, 234, 0.15) 0%, transparent 50%),
                radial-gradient(ellipse at bottom left, rgba(255, 107, 107, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--space-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--space-3xl);
}

.section-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: rgba(102, 126, 234, 0.1);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
}

.section-header h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.section-header p {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
}

/* ============================================
   Features Section
   ============================================ */
.features {
    background: var(--color-bg-light);
}

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

.feature-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: rgba(102, 126, 234, 0.3);
    box-shadow: var(--shadow-lg);
}

.feature-card.featured {
    background: var(--gradient-secondary);
}

.feature-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    font-size: 28px;
    margin-bottom: var(--space-lg);
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.feature-card p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.feature-card.featured p {
    color: rgba(255, 255, 255, 0.8);
}

.feature-tag {
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    padding: var(--space-xs) var(--space-sm);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
}

/* ============================================
   How It Works
   ============================================ */
.how-it-works {
    background: var(--color-bg);
}

.steps {
    display: flex;
    justify-content: center;
    gap: var(--space-2xl);
    flex-wrap: wrap;
}

.step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 300px;
}

.step-number {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-primary);
    border-radius: 50%;
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-lg);
}

.step-content h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--space-sm);
}

.step-content p {
    color: var(--color-text-muted);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing {
    background: var(--color-bg-light);
}

.pricing-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    margin-bottom: var(--space-2xl);
}

.toggle-label {
    font-weight: 500;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
}

.toggle-label.active {
    color: var(--color-text);
}

.save-badge {
    display: inline-block;
    padding: 2px 8px;
    background: var(--color-secondary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    color: white;
}

.toggle-switch {
    position: relative;
    width: 56px;
    height: 28px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-bg-card);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: var(--transition-base);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    top: 4px;
    left: 4px;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    border-radius: 50%;
    transition: var(--transition-base);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(28px);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
    align-items: start;
}

.pricing-card {
    position: relative;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-base);
}

.pricing-card.popular {
    background: var(--gradient-secondary);
    transform: scale(1.05);
    z-index: 1;
}

.popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    white-space: nowrap;
}

.plan-header h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.plan-header p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.pricing-card.popular .plan-header p {
    color: rgba(255, 255, 255, 0.8);
}

.plan-price {
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
    margin: var(--space-lg) 0;
}

.plan-price .currency {
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.plan-price .amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
}

.plan-price .period {
    color: var(--color-text-muted);
}

.pricing-card.popular .plan-price .period {
    color: rgba(255, 255, 255, 0.7);
}

.trial-badge {
    display: inline-block;
    padding: var(--space-sm) var(--space-md);
    background: rgba(52, 211, 153, 0.2);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--space-lg);
}

.plan-features {
    list-style: none;
    margin-bottom: var(--space-xl);
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    font-size: var(--font-size-sm);
}

.plan-features .check {
    color: var(--color-secondary);
    font-weight: bold;
}

.plan-features .x {
    color: var(--color-text-subtle);
}

.plan-features .excluded {
    color: var(--color-text-subtle);
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials {
    background: var(--color-bg);
}

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

.testimonial-card {
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.testimonial-stars {
    margin-bottom: var(--space-md);
}

.testimonial-card p {
    font-size: var(--font-size-lg);
    font-style: italic;
    margin-bottom: var(--space-lg);
    color: var(--color-text-muted);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
}

.author-pet {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   FAQ Section
   ============================================ */
.faq {
    background: var(--color-bg-light);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-lg) 0;
    background: none;
    border: none;
    font-family: var(--font-family);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text);
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--color-primary);
}

.faq-icon {
    font-size: var(--font-size-xl);
    font-weight: 300;
    transition: var(--transition-base);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item.active .faq-answer {
    max-height: 200px;
}

.faq-answer p {
    padding-bottom: var(--space-lg);
    color: var(--color-text-muted);
}

/* ============================================
   CTA Section
   ============================================ */
.cta {
    background: var(--gradient-secondary);
    text-align: center;
    padding: var(--space-3xl) 0;
}

.cta-content h2 {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.cta-content p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--space-xl);
}

.cta-buttons {
    margin-bottom: var(--space-lg);
}

.store-badge img {
    height: 50px;
    margin: 0 auto;
}

.cta-note {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background: var(--color-bg);
}

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

.contact-card {
    text-align: center;
    padding: var(--space-xl);
    background: var(--color-bg-card);
    border-radius: var(--radius-xl);
}

.contact-icon {
    font-size: 48px;
    margin-bottom: var(--space-md);
}

.contact-card h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-sm);
}

.contact-card p {
    color: var(--color-text-muted);
}

.response-time {
    font-size: var(--font-size-sm);
    color: var(--color-text-subtle);
    margin-top: var(--space-sm);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-bg-light);
    padding: var(--space-3xl) 0 var(--space-xl);
}

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

.footer-brand p {
    color: var(--color-text-muted);
    margin-top: var(--space-md);
    max-width: 300px;
}

.footer-links h4 {
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
}

.footer-links a {
    display: block;
    color: var(--color-text-muted);
    padding: var(--space-sm) 0;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-text);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom p {
    color: var(--color-text-subtle);
    font-size: var(--font-size-sm);
}

/* ============================================
   Mobile Responsive
   ============================================ */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        order: 1;
    }
    
    .hero-image {
        order: 0;
        margin-bottom: var(--space-xl);
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-cta {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
    }
    
    .features-grid,
    .pricing-cards,
    .testimonials-grid,
    .contact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.5rem;
    }
    
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--color-bg-light);
        padding: var(--space-lg);
        gap: var(--space-md);
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero {
        min-height: auto;
        padding-top: calc(80px + var(--space-2xl));
    }
    
    .hero h1 {
        font-size: var(--font-size-3xl);
    }
    
    .floating-card {
        display: none;
    }
    
    .features-grid,
    .pricing-cards,
    .testimonials-grid,
    .contact-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-card.popular {
        transform: none;
    }
    
    .steps {
        flex-direction: column;
        align-items: center;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-brand {
        margin-bottom: var(--space-xl);
    }
    
    .footer-brand p {
        margin-left: auto;
        margin-right: auto;
    }
}

@media (max-width: 480px) {
    .hero-stats {
        flex-direction: column;
        gap: var(--space-md);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-lg {
        width: 100%;
    }
    
    .phone-mockup {
        width: 240px;
        height: 480px;
    }
}