/* MFX Academy - Complete Styles */
/* Optimized for Performance and SEO */

/* ========================================
   CSS VARIABLES & THEME SETUP
======================================== */
:root {
    /* Color Variables - Light Mode */
    --background: #ffffff;
    --foreground: #1a1a1a;
    --card: #f8f9fa;
    --card-foreground: #1a1a1a;
    --primary: #D4AF37;
    --primary-foreground: #ffffff;
    --secondary: #e0d5f5;
    --muted: #f3f4f6;
    --muted-foreground: #6b7280;
    --accent: #D4AF37;
    --border: #e5e7eb;
    
    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-display: 'Playfair Display', serif;
    
    /* Spacing */
    --container-max-width: 1280px;
    --section-padding: 6rem 1rem;
}

/* Dark Mode Variables */
.dark {
    --background: #0d0618;
    --foreground: #F4E5B8;
    --card: #1a0d2e;
    --card-foreground: #F4E5B8;
    --primary: #D4AF37;
    --primary-foreground: #0d0618;
    --secondary: #2d1b4e;
    --muted: #2d1b4e;
    --muted-foreground: #B8941F;
    --border: #D4AF37;
}

/* ========================================
   BASE STYLES
======================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: 50%;
}

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

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

/* ========================================
   CONTAINER & LAYOUT
======================================== */
.container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 1rem;
}

section {
    padding: var(--section-padding);
    position: relative;
    z-index: 1;
}

/* ========================================
   ANIMATED BACKGROUND
======================================== */
.animated-background {
    position: fixed;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 0;
}

.bg-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
    animation: pulse 4s ease-in-out infinite;
}

.bg-blob-1 {
    top: 25%;
    left: -8rem;
    width: 24rem;
    height: 24rem;
    background: var(--primary);
}

.bg-blob-2 {
    bottom: 25%;
    right: -8rem;
    width: 24rem;
    height: 24rem;
    background: var(--secondary);
    animation-delay: 1s;
}

@keyframes pulse {
    0%, 100% { opacity: 0.1; transform: scale(1); }
    50% { opacity: 0.2; transform: scale(1.1); }
}

/* ========================================
   NAVIGATION
======================================== */
#navigation {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 40;
    transition: all 0.3s ease;
}

/* --- Corrected #navigation.scrolled Block --- */
#navigation.scrolled {
    /* 1. Light Mode Scrolled State: Uses the light theme variable (--card is light grey) */
    background: var(--card); 
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(12px);
    transition: all 0.3s ease;
}

/* 2. Dark Mode Scrolled State Override: Uses the dark theme variable */
.dark #navigation.scrolled {
    background: var(--card); 
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.1);
    border-bottom: 1px solid rgba(212, 175, 55, 0.2);
}

.nav-container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 1rem;
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-logo img {
    width: 50px;
    height: 50px;
    border: 2px solid var(--primary);
}

.nav-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-display);
}

.nav-desktop-menu {
    display: none;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: var(--foreground);
    font-weight: 500;
    transition: color 0.3s ease;
    background: transparent;
}

.nav-link:hover {
    color: var(--primary);
}

.theme-toggle {
    padding: 0.5rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.theme-toggle:hover {
    background: rgba(212, 175, 55, 0.1);
}

.theme-icon {
    color: var(--primary);
}

.sun-icon {
    display: none;
}

.dark .sun-icon {
    display: block;
}

.moon-icon {
    display: block;
}

.dark .moon-icon {
    display: none;
}

.nav-mobile-controls {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.mobile-menu-toggle {
    color: var(--primary);
    padding: 0.5rem;
}

.menu-icon {
    display: block;
}

.close-icon {
    display: none;
}

.mobile-menu-toggle.active .menu-icon {
    display: none;
}

.mobile-menu-toggle.active .close-icon {
    display: block;
}

.nav-mobile-menu {
    display: none;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(212, 175, 55, 0.2);
}

.nav-mobile-menu.active {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nav-mobile-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: 0.5rem 0;
    color: var(--foreground);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav-mobile-link:hover {
    color: var(--primary);
}

@media (min-width: 768px) {
    .nav-desktop-menu {
        display: flex;
    }
    
    .nav-mobile-controls {
        display: none;
    }
}

/* ========================================
   FLOATING WHATSAPP BUTTON
======================================== */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 50;
    width: 4rem;
    height: 4rem;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: transform 0.3s ease;
    animation: bounce 2s infinite;
}

.floating-whatsapp:hover {
    transform: scale(1.1);
}

.floating-whatsapp svg {
    color: white;
}

.whatsapp-tooltip {
    position: absolute;
    top: -3rem;
    right: 0;
    background: var(--card);
    color: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transition: opacity 0.3s ease;
    border: 1px solid var(--primary);
}

.floating-whatsapp:hover .whatsapp-tooltip {
    opacity: 1;
}

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

/* ========================================
   BUTTONS
======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, #D4AF37, #F4E5B8);
    color: var(--primary-foreground);
    box-shadow: 0 4px 20px rgba(212, 175, 55, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 175, 55, 0.5);
}

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

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

.btn-secondary {
    background: var(--secondary);
    color: var(--primary);
    border: 1px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--primary-foreground);
}

/* ========================================
   HERO SECTION
======================================== */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 5rem;
}

.hero-content {
    text-align: center;
    animation: fadeIn 1s ease-out;
}

.hero-logo-wrapper {
    margin-bottom: 2rem;
    animation: float 3s ease-in-out infinite;
}

.hero-logo {
    width: 200px;
    height: 200px;
    border: 4px solid var(--primary);
    box-shadow: 0 0 30px rgba(212, 175, 55, 0.5), 0 0 60px rgba(212, 175, 55, 0.3);
}

.hero-title {
    font-size: clamp(3.5rem, 8vw, 6rem);
    color: var(--primary);
    margin-bottom: 1rem;
    animation: slideUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 3vw, 2rem);
    margin-bottom: 1.5rem;
    max-width: 48rem;
    margin-left: auto;
    margin-right: auto;
    animation: slideUp 0.8s ease-out 0.4s both;
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto 3rem;
    animation: slideUp 0.8s ease-out 0.6s both;
}

.hero-cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    align-items: center;
    animation: slideUp 0.8s ease-out 0.8s both;
}

@media (min-width: 640px) {
    .hero-cta-buttons {
        flex-direction: row;
        justify-content: center;
    }
}

/* ========================================
   SECTION HEADERS
======================================== */
.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    color: var(--primary);
    margin-bottom: 1rem;
}

.section-description {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    max-width: 42rem;
    margin: 0 auto;
}

/* ========================================
   CLASSES SECTION
======================================== */
.classes-section {
    background: transparent;
}

.classes-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

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

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

@media (min-width: 1280px) {
    .classes-grid {
        grid-template-columns: repeat(5, 1fr);
    }
}

.class-card {
    position: relative;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.class-card:hover {
    transform: scale(1.05);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.2);
}

.popular-card {
    border: 2px solid var(--primary);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3), 0 0 40px rgba(212, 175, 55, 0.2);
}

.popular-badge {
    position: absolute;
    top: 0;
    right: 0;
    background: linear-gradient(135deg, #D4AF37, #F4E5B8);
    color: var(--primary-foreground);
    padding: 0.25rem 1rem;
    font-size: 0.75rem;
    font-weight: 700;
    border-bottom-left-radius: 0.5rem;
    z-index: 10;
}

.card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), rgba(224, 213, 245, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.class-card:hover .card-overlay {
    opacity: 1;
}

.card-header {
    padding: 1.5rem;
    position: relative;
    z-index: 1;
}

.card-title {
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.card-price {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 700;
    color: var(--foreground);
}

.price-period {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.card-description {
    color: var(--muted-foreground);
}

.card-content {
    padding: 0 1.5rem 1.5rem;
    position: relative;
    z-index: 1;
    flex: 1;
}

.card-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
    margin-bottom: 1.5rem;
}

.benefits-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--foreground);
    font-size: 0.875rem;
}

.benefit-icon {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.card-footer {
    padding: 0 1.5rem 1.5rem;
    position: relative;
    z-index: 1;
}

.card-footer .btn {
    width: 100%;
    padding: 1.25rem;
}

/* ========================================
   WHY US SECTION
======================================== */
.why-us-section {
    background: rgba(26, 13, 46, 0.3);
}

.features-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

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

.feature-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    display: flex;
    gap: 1.5rem;
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.feature-icon-wrapper {
    flex-shrink: 0;
    padding: 0.75rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 0.5rem;
    transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon-wrapper {
    transform: scale(1.1);
}

.feature-icon {
    color: var(--primary);
}

.feature-content {
    flex: 1;
}

.feature-title {
    font-size: 1.5rem;
    color: var(--foreground);
    margin-bottom: 0.5rem;
}

.feature-description {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* ========================================
   TESTIMONIALS SECTION
======================================== */
.testimonials-section {
    overflow: hidden;
}

.testimonials-wrapper {
    position: relative;
}

.testimonials-track {
    display: flex;
    gap: 2rem;
    animation: scrollLeft 12s linear infinite;
}

.testimonials-track:hover {
    animation-play-state: paused;
}

@keyframes scrollLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.testimonial-card {
    min-width: 350px;
    max-width: 350px;
    flex-shrink: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 1rem;
    padding: 2rem;
    transition: all 0.3s ease;
}

.testimonial-card:hover {
    border-color: var(--primary);
}

.testimonial-content {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.testimonial-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
}

.testimonial-stars {
    display: flex;
    gap: 0.25rem;
}

.star {
    color: var(--primary);
    font-size: 1.25rem;
}

.testimonial-photo {
    width: 60px;
    height: 60px;
    border: 2px solid var(--primary);
    flex-shrink: 0;
}

.testimonial-quote {
    color: var(--muted-foreground);
    font-style: italic;
    line-height: 1.6;
}

.testimonial-author {
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.author-name {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.author-role {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

@media (max-width: 768px) {
    .testimonial-card {
        min-width: 280px;
        max-width: 280px;
    }
}

/* ========================================
   CONTACT SECTION
======================================== */
.contact-section {
    background: rgba(26, 13, 46, 0.3);
}

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

.social-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin: 2rem 0;
}

.social-icon {
    width: 4rem;
    height: 4rem;
    background: var(--card);
    border: 2px solid var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-icon:hover {
    background: var(--primary);
    transform: scale(1.1);
}

.social-icon svg {
    color: var(--primary);
}

.social-icon:hover svg {
    color: var(--primary-foreground);
}

.contact-phone {
    display: block;
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 800;
    color: var(--accent);
    margin-top: 2rem;
    text-decoration: none;
    transition: all 0.3s ease;
    text-shadow: 0 0 20px rgba(212, 175, 55, 0.5);
}

.contact-phone:hover {
    text-decoration: underline;
    transform: scale(1.05);
}

/* ========================================
   FOOTER
======================================== */
.site-footer {
    padding: 3rem 1rem;
    border-top: 1px solid var(--border);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.footer-logo img {
    width: 40px;
    height: 40px;
    border: 2px solid var(--primary);
}

.footer-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    font-family: var(--font-display);
}

.footer-copyright {
    color: var(--muted-foreground);
    margin-bottom: 0.5rem;
}

.footer-tagline {
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

/* ========================================
   ANIMATIONS
======================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

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

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

/* ========================================
   PAYMENT PAGE SPECIFIC STYLES
======================================== */
.payment-header {
    border-bottom: 1px solid var(--border);
    background: rgba(26, 13, 46, 0.5);
    backdrop-filter: blur(8px);
    position: sticky;
    top: 0;
    z-index: 40;
}

.payment-nav {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
}

.back-button {
    padding: 0.5rem;
    border-radius: 50%;
    transition: background 0.3s ease;
}

.back-button:hover {
    background: rgba(212, 175, 55, 0.1);
}

.payment-main {
    padding: 3rem 1rem;
    max-width: 56rem;
    margin: 0 auto;
}

.payment-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--primary);
    text-align: center;
    margin-bottom: 1rem;
}

.payment-subtitle {
    text-align: center;
    color: var(--muted-foreground);
    font-size: 1.125rem;
    margin-bottom: 3rem;
}

.package-summary {
    margin-bottom: 2rem;
    border: 2px solid var(--primary);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.3);
    border-radius: 1rem;
    overflow: hidden;
}

.summary-header {
    padding: 1.5rem;
    background: var(--card);
    border-bottom: 1px solid var(--border);
}

.summary-title {
    font-size: 1.5rem;
    color: var(--primary);
}

.summary-content {
    padding: 1.5rem;
    background: var(--card);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.package-name {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--foreground);
    margin-bottom: 0.25rem;
}

.package-type {
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.package-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.payment-methods-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
    font-family: var(--font-display);
    margin-bottom: 1.5rem;
}

.payment-methods-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

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

.payment-method-card {
    border: 2px solid var(--primary);
    background: var(--card);
    border-radius: 1rem;
    overflow: hidden;
    transition: all 0.3s ease;
}

.payment-method-card:hover {
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.3);
}

.method-header {
    padding: 1.5rem;
    text-align: center;
}

.method-icon-wrapper {
    width: 4rem;
    height: 4rem;
    background: rgba(212, 175, 55, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.method-icon {
    color: var(--primary);
}

.method-title {
    font-size: 1.25rem;
    color: var(--primary);
    text-align: center;
}

.method-content {
    padding: 1.5rem;
}

.method-details {
    background: rgba(243, 244, 246, 0.5);
    padding: 1rem;
    border-radius: 0.5rem;
}

.dark .method-details {
    background: rgba(45, 27, 78, 0.5);
}

.detail-row {
    margin-bottom: 1rem;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-label {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    margin-bottom: 0.25rem;
}

.detail-value {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--foreground);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.5rem;
}

.detail-value-mono {
    font-family: 'Courier New', monospace;
    word-break: break-all;
}

.copy-button {
    padding: 0.5rem;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 0.25rem;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.copy-button:hover {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--primary);
}

.method-warning {
    font-size: 0.75rem;
    color: var(--muted-foreground);
    text-align: center;
    margin-top: 1rem;
}

.instructions-card {
    background: rgba(212, 175, 55, 0.05);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.instructions-title {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.instruction-step {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.instruction-step:last-child {
    margin-bottom: 0;
}

.step-number {
    width: 1.5rem;
    height: 1.5rem;
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step-text {
    flex: 1;
    color: var(--foreground);
}

.whatsapp-submit {
    text-align: center;
    margin-bottom: 2rem;
}

.whatsapp-button {
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: white;
    padding: 1.5rem 3rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: none;
    cursor: pointer;
}

.whatsapp-button:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.4);
}

.whatsapp-note {
    font-size: 0.875rem;
    color: var(--muted-foreground);
    text-align: center;
    margin-top: 1rem;
}

.next-steps-card {
    border: 1px solid rgba(212, 175, 55, 0.3);
    background: var(--card);
    border-radius: 1rem;
    padding: 1.5rem;
}

.next-steps-title {
    font-size: 1.25rem;
    color: var(--primary);
    margin-bottom: 1rem;
}

.next-step {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
}

.next-step:last-child {
    margin-bottom: 0;
}

.check-icon {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 0.125rem;
}

.next-step-text {
    flex: 1;
    color: var(--foreground);
}

/* ========================================
   UTILITY CLASSES
======================================== */
.hidden {
    display: none;
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* ========================================
   RESPONSIVE IMPROVEMENTS
======================================== */
@media (max-width: 640px) {
    section {
        padding: 4rem 1rem;
    }
    
    .btn {
        padding: 0.75rem 2rem;
        font-size: 1rem;
    }
    
    .floating-whatsapp {
        width: 3.5rem;
        height: 3.5rem;
        bottom: 1.5rem;
        right: 1.5rem;
    }
}

/* ========================================
   PERFORMANCE OPTIMIZATIONS
======================================== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}