/* Reset e Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #006CE8;
    --primary-dark: #0056b3;
    --primary-light: #4d94ff;
    --black: #000000;
    --dark-gray: #1a1a1a;
    --medium-gray: #333333;
    --light-gray: #666666;
    --bg-gray: #f8f9fa;
    --white: #ffffff;
    --gradient-primary: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    --gradient-dark: linear-gradient(135deg, var(--black) 0%, var(--dark-gray) 100%);
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 30px rgba(0, 0, 0, 0.2);
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
    line-height: 1.7;
}

.highlight {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 800;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn::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;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

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

.btn-outline:hover {
    background: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

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

.logo {
    text-decoration: none;
    font-size: 1.8rem;
    font-weight: 800;
}

.logo-text {
    color: var(--black);
}

.logo-accent {
    color: var(--primary-color);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--dark-gray);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: width 0.3s;
}

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

.nav-link:hover::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.bar {
    width: 25px;
    height: 3px;
    background: var(--dark-gray);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.tech-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 20%, rgba(0, 108, 232, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 108, 232, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 60%, rgba(0, 0, 0, 0.02) 0%, transparent 50%);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.floating-element {
    position: absolute;
    width: 100px;
    height: 100px;
    border: 2px solid rgba(0, 108, 232, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

.floating-element:nth-child(1) {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    top: 60%;
    right: 15%;
    animation-delay: 2s;
    width: 150px;
    height: 150px;
}

.floating-element:nth-child(3) {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
    width: 80px;
    height: 80px;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-title {
    margin-bottom: 1.5rem;
    color: var(--black);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--light-gray);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.tech-illustration {
    position: relative;
    width: 100%;
    max-width: 500px;
}

.code-block {
    background: var(--dark-gray);
    border-radius: var(--border-radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-heavy);
    margin-bottom: 2rem;
}

.code-header {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca3f; }

.code-content {
    font-family: 'Monaco', 'Menlo', monospace;
    font-size: 0.9rem;
}

.code-line {
    margin-bottom: 0.5rem;
    color: var(--white);
}

.indent { padding-left: 2rem; }

.keyword { color: #ff79c6; }
.function-name { color: #50fa7b; }
.string { color: #f1fa8c; }

.network-nodes {
    position: relative;
    height: 200px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.node {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--light-gray);
    position: relative;
    animation: pulse 2s infinite;
}

.node.active {
    background: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 108, 232, 0.5);
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.connection {
    position: absolute;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), transparent);
    animation: flow 3s infinite;
}

@keyframes flow {
    0% { opacity: 0; transform: scaleX(0); }
    50% { opacity: 1; transform: scaleX(1); }
    100% { opacity: 0; transform: scaleX(0); }
}

/* Section Styles */
section {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    background: rgba(0, 108, 232, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.section-title {
    margin-bottom: 1rem;
    color: var(--black);
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--light-gray);
    max-width: 600px;
    margin: 0 auto;
}

/* About Section */
.about {
    background: var(--bg-gray);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
}

.about-text {
    display: grid;
    gap: 2rem;
}

.about-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.card-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.card-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.about-card h3 {
    color: var(--black);
    margin-bottom: 1rem;
}

.about-stats {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    display: grid;
    gap: 2rem;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--light-gray);
    font-weight: 500;
}

/* Solutions Section */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.solution-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
    border: 1px solid transparent;
}

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

.solution-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.solution-icon i {
    font-size: 2rem;
    color: var(--white);
}

.solution-card h3 {
    color: var(--black);
    margin-bottom: 1rem;
}

.solution-card p {
    color: var(--light-gray);
    margin-bottom: 1.5rem;
}

.solution-features {
    list-style: none;
}

.solution-features li {
    padding: 0.5rem 0;
    color: var(--medium-gray);
    position: relative;
    padding-left: 1.5rem;
}

.solution-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

/* Zlink Section */
.zlink {
    background: var(--black);
    color: var(--white);
}

.zlink-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.zlink-logo {
    margin-bottom: 2rem;
}

.zlink-name {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    display: block;
}

.zlink-subtitle {
    font-size: 1.2rem;
    color: var(--light-gray);
}

.zlink-title {
    color: var(--white);
    margin-bottom: 1.5rem;
}

.zlink-description {
    font-size: 1.2rem;
    color: var(--light-gray);
    margin-bottom: 3rem;
}

.zlink-features {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

.feature-content h4 {
    color: var(--white);
    margin-bottom: 0.5rem;
}

.feature-content p {
    color: var(--light-gray);
    margin: 0;
}

.zlink-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.phone-mockup {
    max-width: 300px;
    margin: 0 auto;
}

.phone-screen {
    background: var(--white);
    border-radius: 25px;
    padding: 1rem;
    box-shadow: var(--shadow-heavy);
}

.whatsapp-interface {
    background: #e5ddd5;
    border-radius: 15px;
    overflow: hidden;
    min-height: 400px;
}

.chat-header {
    background: #075e54;
    padding: 1rem;
    color: var(--white);
}

.contact-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.avatar {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
}

.contact-name {
    font-weight: 600;
    display: block;
}

.status {
    font-size: 0.8rem;
    opacity: 0.8;
}

.chat-messages {
    padding: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.message {
    max-width: 80%;
    padding: 0.75rem;
    border-radius: 10px;
    position: relative;
}

.message.received {
    background: var(--white);
    align-self: flex-start;
}

.message.sent {
    background: #dcf8c6;
    align-self: flex-end;
}

.message p {
    margin: 0;
    font-size: 0.9rem;
}

.time {
    font-size: 0.7rem;
    opacity: 0.7;
    display: block;
    text-align: right;
    margin-top: 0.25rem;
}

.typing-indicator {
    align-self: flex-start;
    background: var(--white);
    padding: 1rem;
    border-radius: 10px;
    max-width: 80px;
}

.typing-dots {
    display: flex;
    gap: 4px;
    justify-content: center;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    background: var(--light-gray);
    border-radius: 50%;
    animation: typing 1.4s infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

/* Clients Section */
.clients {
    background: var(--bg-gray);
}

.testimonials {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.testimonial-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-light);
    transition: var(--transition);
}

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

.testimonial-content {
    padding: 2.5rem;
}

.quote-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.quote-icon i {
    color: var(--white);
    font-size: 1.2rem;
}

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

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

.author-info h4 {
    color: var(--black);
    margin-bottom: 0.25rem;
}

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

.company-logo {
    width: 50px;
    height: 50px;
}

.logo-placeholder {
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: bold;
}

.clients-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.clients-stats {
    display: flex;
    gap: 2rem;
}

.stat-card {
    text-align: center;
    flex: 1;
}

.stat-card h3 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--light-gray);
    margin: 0;
}

.segments h3 {
    color: var(--black);
    margin-bottom: 1rem;
}

.segment-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.segment-tag {
    background: rgba(0, 108, 232, 0.1);
    color: var(--primary-color);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Contact Section */
.contact {
    background: var(--white);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
}

.contact-info {
    display: grid;
    gap: 2rem;
}

.contact-card {
    text-align: center;
    padding: 2rem;
    background: var(--bg-gray);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

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

.contact-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.contact-icon i {
    font-size: 2rem;
    color: var(--white);
}

.contact-card h3 {
    color: var(--black);
    margin-bottom: 0.5rem;
}

.contact-card p {
    color: var(--light-gray);
    margin-bottom: 1rem;
}

.contact-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.contact-form-container {
    background: var(--bg-gray);
    padding: 3rem;
    border-radius: var(--border-radius-lg);
}

.contact-form {
    display: grid;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.form-group label {
    color: var(--black);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem;
    border: 2px solid #e0e0e0;
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 108, 232, 0.1);
}

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

/* Footer */
.footer {
    background: var(--black);
    color: var(--white);
    padding: 4rem 0 2rem;
}

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

.footer-logo {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.footer-description {
    color: var(--light-gray);
    margin-bottom: 2rem;
}

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

.social-link {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.footer-title {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-contact {
    list-style: none;
}

.footer-contact li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
    color: var(--light-gray);
}

.footer-contact i {
    color: var(--primary-color);
    width: 16px;
}

.footer-bottom {
    border-top: 1px solid var(--medium-gray);
    padding-top: 2rem;
    text-align: center;
    color: var(--light-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
        box-shadow: var(--shadow-medium);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active .bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    
    .nav-toggle.active .bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .solutions-grid {
        grid-template-columns: 1fr;
    }
    
    .zlink-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .testimonials {
        grid-template-columns: 1fr;
    }
    
    .clients-info {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .clients-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    section {
        padding: 4rem 0;
    }
}

@media (max-width: 480px) {
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .contact-form-container {
        padding: 2rem;
    }
}