/* ============================================
   WhatsApp Automate - Modern CSS Styles
   ============================================ */

/* CSS Custom Properties */
:root {
    /* Primary Colors */
    --whatsapp-green: #25D366;
    --dark-green: #128C7E;
    --light-green: #DCF8C6;
    
    /* Neutrals */
    --white: #FFFFFF;
    --off-white: #F8F9FA;
    --light-gray: #E9ECEF;
    --gray: #ADB5BD;
    --dark-gray: #2C2C2C;
    --black: #1A1A1A;
    
    /* Semantic */
    --success: #25D366;
    --error: #DC3545;
    --warning: #FFC107;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 8px rgba(0,0,0,0.12);
    --shadow-lg: 0 10px 30px rgba(0,0,0,0.15);
    --shadow-green: 0 8px 24px rgba(37, 211, 102, 0.3);
    
    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #ffffff 0%, #DCF8C6 100%);
    --gradient-green: linear-gradient(135deg, #25D366, #128C7E);
    --gradient-overlay: linear-gradient(to bottom, transparent, rgba(248, 249, 250, 0.9));
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 50rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ============================================
   Reset & Base Styles
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', 'Segoe UI', 'Roboto', system-ui, -apple-system, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    font-weight: 400;
    color: var(--dark-gray);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--black);
    margin-bottom: 1rem;
}

h1 { font-size: 3rem; }
h2 { font-size: 2.5rem; }
h3 { font-size: 2rem; }
h4 { font-size: 1.5rem; }
h5 { font-size: 1.25rem; }
h6 { font-size: 1rem; }

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: all var(--transition-base);
}

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

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

ul, ol {
    list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--whatsapp-green);
    color: white;
    padding: 0.5rem 1rem;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

/* ============================================
   Navigation Bar
   ============================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: transparent;
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
}

.nav-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
}

.logo i {
    font-size: 2rem;
    color: var(--whatsapp-green);
}

.logo strong {
    color: var(--whatsapp-green);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    color: var(--dark-gray);
    font-weight: 500;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

.nav-link i {
    font-size: 1rem;
    opacity: 0.7;
}

.nav-link:hover,
.nav-link.active {
    color: var(--whatsapp-green);
    background: rgba(37, 211, 102, 0.1);
}

.mobile-menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--dark-gray);
    cursor: pointer;
}

/* ============================================
   Hero Section
   ============================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient-hero);
    padding: 8rem 0 4rem;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
    z-index: 0;
}

.floating-shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.1;
    animation: float 20s infinite ease-in-out;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: var(--whatsapp-green);
    top: 10%;
    left: -5%;
    animation-delay: 0s;
}

.shape-2 {
    width: 200px;
    height: 200px;
    background: var(--dark-green);
    bottom: 20%;
    right: -5%;
    animation-delay: 5s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--whatsapp-green);
    top: 60%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) rotate(0deg);
    }
    25% {
        transform: translate(20px, 20px) rotate(90deg);
    }
    50% {
        transform: translate(0, 40px) rotate(180deg);
    }
    75% {
        transform: translate(-20px, 20px) rotate(270deg);
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-icon {
    font-size: 5rem;
    color: var(--whatsapp-green);
    margin-bottom: 1rem;
    animation: bounce 2s infinite;
}

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

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--dark-gray);
    margin-bottom: 2rem;
}

.hero-cta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.feature-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-sm);
}

.feature-badge i {
    color: var(--whatsapp-green);
    font-size: 1.25rem;
}

/* Animation delays for fade-in effects */
.animate-fade-in {
    animation: fadeIn 1s ease-out forwards;
}

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

/* ============================================
   Buttons
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 1rem;
    transition: all var(--transition-base);
    cursor: pointer;
}

.btn-primary {
    background: var(--gradient-green);
    color: white;
    box-shadow: var(--shadow-green);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(37, 211, 102, 0.4);
}

.btn-whatsapp {
    background: var(--whatsapp-green);
    color: white;
}

.btn-whatsapp:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ============================================
   Section Styles
   ============================================ */

section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-green);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Solutions Section
   ============================================ */

.solutions {
    background: var(--off-white);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.solution-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 2px solid transparent;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-green);
    border-color: var(--whatsapp-green);
}

.card-icon {
    font-size: 3.5rem;
    color: var(--whatsapp-green);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.solution-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
}

.card-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.card-description {
    color: var(--gray);
    line-height: 1.8;
}

/* ============================================
   Benefits Section
   ============================================ */

.benefits-list {
    display: flex;
    flex-direction: column;
    gap: 4rem;
}

.benefit-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.benefit-icon {
    font-size: 5rem;
    color: var(--whatsapp-green);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 150px;
    height: 150px;
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), rgba(18, 140, 126, 0.1));
    border-radius: 50%;
    margin: 0 auto;
    transition: all var(--transition-base);
}

.benefit-item:hover .benefit-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-green);
}

.benefit-content h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.benefit-content p {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.8;
}

.benefit-right {
    grid-template-columns: 1fr 1fr;
}

.benefit-left .benefit-icon {
    order: 1;
}

.benefit-left .benefit-content {
    order: 2;
}

.benefit-right .benefit-content {
    order: 1;
}

.benefit-right .benefit-icon {
    order: 2;
}

/* ============================================
   How It Works Section
   ============================================ */

.how-it-works {
    background: var(--off-white);
}

.timeline {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 12.5%;
    right: 12.5%;
    height: 4px;
    background: linear-gradient(to right, var(--whatsapp-green), var(--dark-green));
    z-index: 0;
}

.timeline-item {
    position: relative;
    z-index: 1;
}

.timeline-badge {
    width: 100px;
    height: 100px;
    background: var(--gradient-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 2rem;
    box-shadow: var(--shadow-green);
    border: 4px solid white;
}

.timeline-card {
    background: white;
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.timeline-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.timeline-icon {
    font-size: 2.5rem;
    color: var(--whatsapp-green);
    text-align: center;
    margin-bottom: 1rem;
}

.timeline-title {
    font-size: 1.25rem;
    text-align: center;
    margin-bottom: 1rem;
}

.timeline-description {
    text-align: center;
    color: var(--gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ============================================
   Statistics Section
   ============================================ */

.statistics {
    background: var(--gradient-green);
    color: white;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
}

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

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.9;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.stat-number::after {
    content: '+';
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* ============================================
   Use Cases Section
   ============================================ */

.use-cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.use-case-card {
    padding: 3rem 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.use-case-card::before {
    content: '';
    position: absolute;
    inset: 0;
    opacity: 0.1;
    z-index: 0;
}

.use-case-card > * {
    position: relative;
    z-index: 1;
}

.use-case-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.gradient-blue {
    background: linear-gradient(135deg, #E3F2FD, #FFFFFF);
}

.gradient-orange {
    background: linear-gradient(135deg, #FFF3E0, #FFFFFF);
}

.gradient-purple {
    background: linear-gradient(135deg, #F3E5F5, #FFFFFF);
}

.gradient-red {
    background: linear-gradient(135deg, #FFEBEE, #FFFFFF);
}

.gradient-green {
    background: linear-gradient(135deg, #E8F5E9, #FFFFFF);
}

.gradient-navy {
    background: linear-gradient(135deg, #E3F2FD, #FFFFFF);
}

.use-case-icon {
    font-size: 3.5rem;
    color: var(--whatsapp-green);
    margin-bottom: 1.5rem;
    transition: all var(--transition-base);
}

.use-case-card:hover .use-case-icon {
    transform: scale(1.15) rotate(-5deg);
}

.use-case-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.use-case-description {
    color: var(--gray);
    line-height: 1.8;
}

/* ============================================
   Testimonials Section
   ============================================ */

.testimonials {
    background: var(--off-white);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 3rem;
}

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    position: relative;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.quote-icon {
    font-size: 3rem;
    color: var(--whatsapp-green);
    opacity: 0.2;
    margin-bottom: 1rem;
}

.testimonial-text {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    font-style: italic;
    color: var(--dark-gray);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-green);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.author-name {
    font-weight: 600;
    color: var(--black);
}

.author-position {
    font-size: 0.9rem;
    color: var(--gray);
}

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

.testimonial-rating i {
    color: #FFC107;
    font-size: 1.25rem;
}

.trust-badges {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.trust-badge i {
    font-size: 2rem;
    color: var(--whatsapp-green);
}

.trust-badge span {
    font-weight: 600;
    color: var(--dark-gray);
}

/* ============================================
   CTA Section
   ============================================ */

.cta-section {
    background: var(--gradient-green);
    color: white;
    position: relative;
    overflow: hidden;
}

.cta-background {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.floating-icon {
    position: absolute;
    font-size: 4rem;
    opacity: 0.1;
    animation: floatIcon 15s infinite ease-in-out;
}

.icon-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.icon-2 {
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.icon-3 {
    top: 50%;
    left: 50%;
    animation-delay: 10s;
}

@keyframes floatIcon {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    50% {
        transform: translate(30px, -30px) scale(1.2);
    }
}

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

.cta-title {
    font-size: 3rem;
    color: white;
    margin-bottom: 1rem;
}

.cta-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-buttons .btn-primary {
    background: white;
    color: var(--whatsapp-green);
}

.cta-buttons .btn-primary:hover {
    background: var(--off-white);
}

/* ============================================
   Contact Section
   ============================================ */

.contact {
    background: var(--off-white);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form-container {
    position: relative;
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

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

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

.input-wrapper {
    position: relative;
}

.input-wrapper i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--gray);
    font-size: 1.1rem;
}

.input-wrapper textarea + i {
    top: 1rem;
    transform: none;
}

.form-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--whatsapp-green);
    box-shadow: 0 0 0 3px rgba(37, 211, 102, 0.1);
}

.form-input.error {
    border-color: var(--error);
}

.error-message {
    display: block;
    color: var(--error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    min-height: 1.25rem;
}

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

.form-success {
    display: none;
    text-align: center;
    padding: 3rem;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.form-success.show {
    display: block;
}

.form-success i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 1rem;
}

.form-success h3 {
    color: var(--success);
    margin-bottom: 0.5rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-info-card {
    background: white;
    padding: 2.5rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

.contact-info-item {
    display: flex;
    gap: 1.5rem;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--light-gray);
}

.contact-info-item:last-child {
    border-bottom: none;
}

.contact-info-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, rgba(37, 211, 102, 0.1), rgba(18, 140, 126, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-info-icon i {
    font-size: 1.5rem;
    color: var(--whatsapp-green);
}

.contact-info-content h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.contact-info-content p {
    color: var(--gray);
    margin-bottom: 0;
}

.location-visual {
    background: white;
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.location-visual i {
    font-size: 5rem;
    color: var(--whatsapp-green);
    margin-bottom: 1rem;
    opacity: 0.3;
}

.location-text {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark-gray);
}

/* ============================================
   Footer
   ============================================ */

.footer {
    background: var(--black);
    color: white;
    padding: 4rem 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-logo i {
    font-size: 2rem;
    color: var(--whatsapp-green);
}

.footer-logo strong {
    color: var(--whatsapp-green);
}

.footer-description {
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.social-link:hover {
    background: var(--whatsapp-green);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: white;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--gray);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all var(--transition-base);
}

.footer-links a:hover {
    color: var(--whatsapp-green);
    padding-left: 0.5rem;
}

.footer-links i {
    font-size: 0.875rem;
}

.footer-contact {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    color: var(--gray);
}

.footer-contact i {
    color: var(--whatsapp-green);
    font-size: 1.25rem;
    margin-top: 0.25rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: var(--gray);
    margin: 0;
}

.legal-links {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.legal-links a {
    color: var(--gray);
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.legal-links a:hover {
    color: var(--whatsapp-green);
}

.separator {
    color: var(--gray);
}

/* ============================================
   WhatsApp Floating Button
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: var(--whatsapp-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.5);
    z-index: 999;
    transition: all var(--transition-base);
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.5);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.8);
    }
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 1024px) {
    .solutions-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .use-cases-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .timeline::before {
        display: none;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .container {
        padding: 0 1rem;
    }
    
    /* Navigation */
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: white;
        flex-direction: column;
        padding: 5rem 2rem;
        box-shadow: -2px 0 10px rgba(0,0,0,0.1);
        transition: right var(--transition-base);
        z-index: 999;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-link {
        width: 100%;
        justify-content: flex-start;
    }
    
    /* Hero */
    .hero {
        padding: 6rem 0 3rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .hero-features {
        flex-direction: column;
    }
    
    /* Solutions */
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    /* Benefits */
    .benefit-item,
    .benefit-right {
        grid-template-columns: 1fr !important;
        gap: 2rem;
    }
    
    .benefit-left .benefit-icon,
    .benefit-right .benefit-icon {
        order: 1 !important;
    }
    
    .benefit-left .benefit-content,
    .benefit-right .benefit-content {
        order: 2 !important;
        text-align: center;
    }
    
    /* Timeline */
    .timeline {
        grid-template-columns: 1fr;
    }
    
    /* Stats */
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    /* Use Cases */
    .use-cases-grid {
        grid-template-columns: 1fr;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    /* CTA */
    .cta-title {
        font-size: 2rem;
    }
    
    .cta-subtitle {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    /* Contact */
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-form {
        padding: 2rem;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   Animations & Transitions
   ============================================ */

/* Fade in on scroll */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Slide in from left */
.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Slide in from right */
.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

/* Scale in */
.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* ============================================
   Accessibility
   ============================================ */

/* Focus states */
a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 2px solid var(--whatsapp-green);
    outline-offset: 2px;
}

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

/* High contrast mode */
@media (prefers-contrast: high) {
    :root {
        --whatsapp-green: #1da851;
        --dark-green: #0d6e58;
    }
}

/* Print styles */
@media print {
    .navbar,
    .whatsapp-float,
    .hero-background,
    .cta-background {
        display: none;
    }
    
    body {
        font-size: 12pt;
    }
    
    a {
        text-decoration: underline;
    }
}

.hide{
  display:none;
}