:root {
    --whatsapp: #25d366;
    --primary: #5c6b73;
    --secondary: #8a9a5b;
    --accent: #d4a373;
    --bg: #f4f1ea;
    --text: #3a3a3a;
    --white: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

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

/* Header */
.header {
    background-color: var(--white);
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    transition: color 0.3s;
}

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

.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 5px;
    text-decoration: none;
    font-weight: 600;
    transition: background-color 0.3s, color 0.3s;
}

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

.btn-primary:hover {
    background-color: #4a5a61;
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero */
.hero {
    padding: 4rem 0;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: var(--text);
}

.hero-image {
    flex: 1;
}

.hero-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 2rem;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Features */
.features {
    padding: 4rem 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background-color: var(--secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.feature-icon svg {
    width: 30px;
    height: 30px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--primary);
}

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

/* How It Works */
.how-it-works {
    padding: 4rem 0;
    background-color: var(--white);
}

.steps {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    gap: 2rem;
}

.step {
    text-align: center;
    max-width: 250px;
}

.step-number {
    width: 50px;
    height: 50px;
    background-color: var(--accent);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1rem;
}

.step h3 {
    margin-bottom: 0.5rem;
    color: var(--primary);
}

/* Dashboard Preview */
.dashboard-preview {
    padding: 4rem 0;
}

.dashboard-image {
    max-width: 800px;
    margin: 0 auto;
}

.dashboard-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

/* Pricing */
.pricing {
    padding: 4rem 0;
    background-color: var(--white);
}

.pricing-box {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    max-width: 800px;
    margin: 0 auto;
}

.pricing-column {
    flex: 1;
    min-width: 250px;
    background: var(--bg);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.price {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary);
}

.price span {
    font-size: 1rem;
    font-weight: 400;
}

.included-text {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--text);
}

.pricing-column .btn {
    margin-top: 1rem;
}

/* Contact */
.contact {
    padding: 4rem 0;
    text-align: center;
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    text-align: left;
}

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

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form .btn {
    width: 100%;
}

/* Footer */
.footer {
    background-color: var(--primary);
    color: var(--white);
    text-align: center;
    padding: 1.5rem 0;
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--whatsapp);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    transition: transform 0.3s ease;
}

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

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
    fill: white;
}

/* Responsive */
@media (max-width: 768px) {
    .hero-content {
        flex-direction: column;
        text-align: center;
    }

    .nav-links {
        display: none;
    }

    .steps {
        flex-direction: column;
        align-items: center;
    }

    .pricing-box {
        flex-direction: column;
        align-items: center;
    }

    .pricing-column {
        width: 100%;
    }
}