/* Estilo de IA para Negócios */

:root {
    --business-blue: #0A3D91; /* Deeper blue from reference */
    --light-blue: #2B70D6;
    --accent-blue: #00B4D8;
    --white: #FFFFFF;
    --dark-grey: #333333;
    --light-grey: #F3F4F6;
    --border-grey: #E5E7EB;
    --green: #25D366; /* WhatsApp Green */
    --orange: #F59E0B; /* Golden yellow from reference */
    --purple: #800080;
    --black: #111827;
    --ai-glow: rgba(43, 112, 214, 0.3);
    
    --font-hero: "Inter", "Helvetica", Arial, sans-serif;
    --font-body: "Inter", "Helvetica", Arial, sans-serif;
    --font-mono: "JetBrains Mono", monospace;
    
    --shadow-light: 0 2px 5px rgba(0, 0, 0, 0.05);
    --shadow-card: 0 10px 25px rgba(0, 0, 0, 0.05);
    --shadow-floating: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --base-spacing: 0.5rem; /* 8px */
}

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

body {
    font-family: var(--font-body);
    color: var(--dark-grey);
    background-color: var(--white);
    background-image: linear-gradient(to bottom, #F8F8F8, #FFFFFF);
    line-height: 1.6;
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-hero);
    font-weight: 700;
    color: var(--black);
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: 2.25rem; }
h3 { font-size: 1.5rem; }

p {
    font-size: 1rem;
    max-width: 72ch;
    margin-bottom: 1rem;
}

.small-text {
    font-size: 0.875rem;
    color: #6B7280; /* Muted gray text instead of light-grey background color */
}

.label {
    font-size: 0.875rem;
    font-weight: 500;
    letter-spacing: 0.02em;
}

/* Layout */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding-top: clamp(4rem, 8vw, 8rem);
    padding-bottom: clamp(4rem, 8vw, 8rem);
}

.grid {
    display: grid;
    gap: 2rem;
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

@media (max-width: 768px) {
    .grid-cols-2 {
        grid-template-columns: 1fr;
    }
}

.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.flex-col { flex-direction: column; }
.gap-2 { gap: 1rem; }
.gap-4 { gap: 2rem; }

/* Components */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    font-weight: 600;
    font-family: var(--font-body);
    padding: 0.75rem 1.5rem;
    cursor: pointer;
    transition: all 0.2s ease-out;
    text-decoration: none;
    border: none;
}

.btn-primary {
    background-color: var(--business-blue);
    color: var(--white);
    box-shadow: var(--shadow-light);
}

.btn-primary:hover {
    background-color: #0088cc;
    transform: translateY(-1px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.btn-primary:active {
    transform: translateY(1px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--business-blue);
    border: 1.5px solid var(--light-grey);
}

.btn-secondary:hover {
    background-color: rgba(0, 161, 224, 0.05);
    border-color: var(--business-blue);
}

.card {
    background: var(--white);
    border-radius: 4px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--light-grey);
    padding: 2rem;
    transition: transform 0.2s ease-out, box-shadow 0.2s ease-out;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
}

/* Forms */
.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--dark-grey);
}

.form-input {
    padding: 0.75rem;
    border: 1px solid var(--light-grey);
    border-radius: 4px;
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.2s ease-out;
}

.form-input:focus {
    outline: none;
    border-color: var(--business-blue);
    box-shadow: 0 0 0 2px var(--ai-glow);
}

.form-error {
    color: #e53935;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Nav */
.header {
    background: var(--white);
    border-bottom: 1px solid var(--light-grey);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-container {
    height: 72px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--business-blue);
    text-decoration: none;
    letter-spacing: -0.02em;
}

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

.nav-link {
    text-decoration: none;
    color: var(--dark-grey);
    font-weight: 500;
    transition: color 0.2s ease;
}

.nav-link:hover, .nav-link.active {
    color: var(--business-blue);
}

/* Utils */
.text-center { text-align: center; }
.mb-2 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 2rem; }
.mt-4 { margin-top: 2rem; }
.ai-glow-text {
    text-shadow: 0 0 10px var(--ai-glow);
}

/* Hero Section */
.hero {
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

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

.footer-link {
    color: #aaaaaa;
    text-decoration: none;
    transition: color 0.2s;
}

.footer-link:hover {
    color: var(--white);
}
/* Redesign Reference Styles */
.hero-pill-bg {
    background-color: var(--business-blue);
    border-top-left-radius: 200px;
    border-top-right-radius: 200px;
    padding-top: 4rem;
    position: relative;
    overflow: hidden;
}

.stats-bar {
    background-color: var(--business-blue);
    color: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-around;
    box-shadow: var(--shadow-card);
    margin-top: 2rem;
}

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

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.floating-tags {
    display: flex;
    gap: 1rem;
    font-size: 0.75rem;
    color: var(--dark-grey);
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.tag-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--green);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: var(--shadow-floating);
    z-index: 50;
    text-decoration: none;
    transition: transform 0.2s;
}

.floating-whatsapp:hover {
    transform: translateY(-2px);
    color: white;
}

.number-card {
    position: relative;
    padding: 3rem 2rem 2rem;
    background: white;
    border-radius: 12px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-grey);
}

.number-card::before {
    content: attr(data-number);
    position: absolute;
    top: -1rem;
    left: 2rem;
    font-size: 4rem;
    font-weight: 800;
    color: rgba(10, 61, 145, 0.05);
    z-index: 0;
}

.solution-box {
    background-color: rgba(10, 61, 145, 0.03);
    border: 1px solid rgba(10, 61, 145, 0.1);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1.5rem;
}

.solution-title {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--business-blue);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    letter-spacing: 0.05em;
}

.pricing-container {
    background-color: var(--business-blue);
    border-radius: 24px;
    padding: 3rem;
    margin-top: 2rem;
}

.pricing-tabs {
    display: inline-flex;
    background: rgba(255,255,255,0.1);
    border-radius: 30px;
    padding: 0.25rem;
    margin-bottom: 3rem;
}

.pricing-tab {
    padding: 0.75rem 2rem;
    border-radius: 30px;
    color: white;
    font-weight: 600;
    cursor: pointer;
    border: none;
    background: transparent;
    transition: all 0.3s;
}

.pricing-tab.active {
    background: white;
    color: var(--business-blue);
}

.pricing-card {
    background: white;
    border-radius: 16px;
    padding: 2rem;
    position: relative;
    height: 100%;
}

.pricing-feature {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.875rem;
    align-items: flex-start;
}

.feature-check { color: var(--green); font-weight: bold; }
.feature-cross { color: #EF4444; font-weight: bold; }