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

:root {
    /* Cores Folha Verde */
    --primary-green: #40916c;
    --light-green: #52b788;
    --accent-green: #74c69d;
    --dark-green: #2d6a4f;
    --bg-green: #d8f3dc;
    
    /* Neutros */
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --gray: #6c757d;
    --dark-gray: #343a40;
    --border: #e9ecef;
    
    /* Sombras */
    --shadow: rgba(0, 0, 0, 0.1);
    --shadow-lg: rgba(0, 0, 0, 0.15);
}

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

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

/* ========================================
   HEADER
   ======================================== */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--border);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px var(--shadow);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-green);
    text-decoration: none;
}

.logo-icon {
    font-size: 32px;
}

.nav {
    display: flex;
    gap: 15px;
    align-items: center;
}

.user-greeting {
    color: var(--gray);
    margin-right: 10px;
    font-size: 14px;
}

/* ========================================
   BUTTONS
   ======================================== */
.btn {
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    display: inline-block;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-size: 15px;
}

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

.btn-primary:hover {
    background: var(--dark-green);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px var(--shadow-lg);
}

.btn-secondary {
    background: var(--light-gray);
    color: var(--dark-gray);
}

.btn-secondary:hover {
    background: var(--border);
}

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

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

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    text-align: center;
}

/* ========================================
   HERO SECTION
   ======================================== */
.hero {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #d8f3dc 100%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.badge {
    display: inline-block;
    background: var(--accent-green);
    color: var(--dark-green);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 20px;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.highlight {
    color: var(--primary-green);
    position: relative;
}

.hero-description {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 30px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.hero-features {
    display: flex;
    gap: 30px;
    color: var(--gray);
    font-size: 14px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Phone Mockup */
.phone-mockup {
    position: relative;
    max-width: 400px;
    margin: 0 auto;
}

.phone-mockup img {
    width: 100%;
    border-radius: 30px;
    box-shadow: 0 20px 60px var(--shadow-lg);
}

.floating-card {
    position: absolute;
    bottom: 40px;
    left: -40px;
    background: var(--white);
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 10px 30px var(--shadow-lg);
    display: flex;
    gap: 15px;
    align-items: center;
    animation: float 3s ease-in-out infinite;
}

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

.card-icon {
    width: 40px;
    height: 40px;
    background: var(--light-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.card-text {
    display: flex;
    flex-direction: column;
}

.card-text strong {
    font-size: 14px;
    color: var(--dark-gray);
}

.card-text span {
    font-size: 12px;
    color: var(--gray);
}

/* ========================================
   FEATURES SECTION
   ======================================== */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 42px;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--dark-gray);
}

.section-header p {
    font-size: 18px;
    color: var(--gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.feature-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px var(--shadow-lg);
    border-color: var(--light-green);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white);
    border: none;
}

.feature-card.featured h3,
.feature-card.featured p {
    color: var(--white);
}

.feature-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    background: #ffd700;
    color: var(--dark-gray);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 20px;
}

.feature-icon.green { background: #d8f3dc; }
.feature-icon.blue { background: rgba(255,255,255,0.2); }
.feature-icon.purple { background: #e7d5f7; }

.feature-card h3 {
    font-size: 22px;
    margin-bottom: 12px;
    font-weight: 600;
}

.feature-card p {
    color: var(--gray);
    line-height: 1.7;
}

/* ========================================
   HOW IT WORKS
   ======================================== */
.how-it-works {
    padding: 100px 0;
    background: var(--light-gray);
}

.steps {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 30px;
    max-width: 1000px;
    margin: 0 auto;
}

.step {
    flex: 1;
    text-align: center;
    background: var(--white);
    padding: 40px 30px;
    border-radius: 16px;
    position: relative;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--primary-green);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 18px;
}

.step-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.step h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--dark-gray);
}

.step p {
    color: var(--gray);
    font-size: 14px;
}

.step-arrow {
    font-size: 32px;
    color: var(--light-green);
    flex-shrink: 0;
}

/* ========================================
   PRICING
   ======================================== */
.pricing {
    padding: 100px 0;
    background: var(--white);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 20px;
    padding: 40px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px var(--shadow-lg);
}

.pricing-card.featured {
    border-color: var(--primary-green);
    border-width: 3px;
    box-shadow: 0 10px 40px rgba(64, 145, 108, 0.2);
}

.plan-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-green);
    color: var(--white);
    padding: 8px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

.plan-header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 2px solid var(--border);
}

.plan-header h3 {
    font-size: 24px;
    margin-bottom: 20px;
    color: var(--dark-gray);
}

.plan-price {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    gap: 5px;
    margin-bottom: 10px;
}

.currency {
    font-size: 24px;
    color: var(--gray);
    margin-top: 5px;
}

.amount {
    font-size: 56px;
    font-weight: 700;
    color: var(--primary-green);
    line-height: 1;
}

.plan-subtitle {
    color: var(--gray);
    font-size: 14px;
}

.plan-features {
    list-style: none;
    margin-bottom: 30px;
}

.plan-features li {
    padding: 12px 0;
    font-size: 15px;
}

.plan-features li.included {
    color: var(--dark-gray);
}

.plan-features li.excluded {
    color: var(--gray);
    opacity: 0.6;
}

/* ========================================
   CTA
   ======================================== */
.cta {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--dark-green) 100%);
    color: var(--white);
    text-align: center;
}

.cta-content h2 {
    font-size: 42px;
    margin-bottom: 20px;
}

.cta-content p {
    font-size: 18px;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-note {
    margin-top: 20px;
    font-size: 14px;
    opacity: 0.8;
}

/* ========================================
   FOOTER
   ======================================== */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 40px;
}

.footer-brand p {
    color: var(--gray);
    margin-top: 10px;
    max-width: 400px;
}

.footer-links {
    display: flex;
    gap: 30px;
}

.footer-links a {
    color: var(--gray);
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255,255,255,0.1);
    color: var(--gray);
    font-size: 14px;
}

/* ========================================
   LOADING OVERLAY
   ======================================== */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.loading-spinner {
    text-align: center;
    color: var(--white);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255,255,255,0.3);
    border-top-color: var(--light-green);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .hero-content,
    .features-grid,
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .nav {
        flex-direction: column;
        gap: 10px;
    }
}
