/* 
  NK Organização Empresarial - Styles
  Clean, Corporate, Professional
*/

:root {
    --primary: #003366;
    --primary-dark: #002244;
    --secondary: #00a896;
    --secondary-dark: #008f7f;
    --text: #333333;
    --text-light: #666666;
    --bg-light: #f8f9fa;
    --white: #ffffff;
    --border: #e1e4e8;
    --success: #28a745;
    --error: #dc3545;
    --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text);
    line-height: 1.6;
    background-color: var(--white);
    overflow-x: hidden;
}

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

p {
    margin-bottom: 1rem;
}

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.5rem;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
    gap: 0.5rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 168, 150, 0.3);
}

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

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

.btn-whatsapp {
    background-color: #25d366;
    color: var(--white);
}

.btn-whatsapp:hover {
    background-color: #128c7e;
}

/* Header */
header {
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    position: sticky;
    top: 0;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo span {
    color: var(--secondary);
}

nav ul {
    display: flex;
    gap: 2rem;
}

nav ul li a {
    font-weight: 500;
    color: var(--text);
}

nav ul li a:hover, nav ul li a.active {
    color: var(--secondary);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--primary);
}

/* Hero */
.hero {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.hero h1 {
    color: var(--white);
    font-size: 3rem;
    margin-bottom: 1.5rem;
    max-width: 800px;
}

.hero p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
    opacity: 0.9;
}

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

/* Sections */
section {
    padding: 5rem 0;
}

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

.section-title h2 {
    font-size: 2.25rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--text-light);
    max-width: 700px;
    margin: 0 auto;
}

/* Pillars / Cards */
.pillars-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.pillar-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border);
}

.pillar-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    border-color: var(--secondary);
}

.pillar-icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--secondary);
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
}

/* Features */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.feature-item {
    display: flex;
    gap: 1.5rem;
}

.feature-icon {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    color: var(--secondary);
}

/* CTA Section */
.cta-section {
    background-color: var(--bg-light);
    text-align: center;
    border-radius: 20px;
    padding: 4rem;
    margin: 2rem 0;
}

/* FAQ */
.faq-item {
    border-bottom: 1px solid var(--border);
    padding: 1.5rem 0;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.1rem;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-light);
    margin-top: 0;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    margin-top: 1rem;
}

.faq-item.active .faq-toggle {
    transform: rotate(180deg);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 5rem 0 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-logo {
    margin-bottom: 1.5rem;
}

.footer-title {
    color: var(--white);
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: #cbd5e0;
}

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

.footer-contact li {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: #cbd5e0;
}

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

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

.social-icon:hover {
    background: var(--secondary);
    transform: translateY(-3px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: #a0aec0;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: inherit;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
    box-shadow: 0 0 0 3px rgba(0, 168, 150, 0.1);
}

.form-check {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.9rem;
    color: var(--text-light);
}

.form-check input {
    margin-top: 0.3rem;
}

/* Diagnostic Page */
.diagnostic-container {
    max-width: 800px;
    margin: 0 auto;
}

.step-indicator {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3rem;
    position: relative;
}

.step-indicator::before {
    content: '';
    position: absolute;
    top: 15px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--border);
    z-index: 1;
}

.step {
    width: 32px;
    height: 32px;
    background: var(--white);
    border: 2px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    position: relative;
    z-index: 2;
}

.step.active {
    border-color: var(--secondary);
    color: var(--secondary);
}

.step.completed {
    background: var(--secondary);
    border-color: var(--secondary);
    color: var(--white);
}

.question-card {
    background: var(--white);
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    display: none;
}

.question-card.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.options-grid {
    display: grid;
    gap: 1rem;
    margin-top: 2rem;
}

.option-btn {
    text-align: left;
    padding: 1.25rem;
    border: 2px solid var(--border);
    border-radius: 10px;
    background: var(--white);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.1rem;
    font-weight: 500;
}

.option-btn:hover {
    border-color: var(--secondary);
    background: rgba(0, 168, 150, 0.05);
}

.option-btn.selected {
    border-color: var(--secondary);
    background: var(--secondary);
    color: var(--white);
}

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

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.blog-img {
    height: 200px;
    background-color: #eee;
    background-size: cover;
    background-position: center;
}

.blog-content {
    padding: 1.5rem;
}

.blog-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: rgba(0, 168, 150, 0.1);
    color: var(--secondary);
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.blog-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.blog-excerpt {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Floating WhatsApp */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 2px 2px 10px rgba(0,0,0,0.2);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    background-color: #128c7e;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    header {
        height: 70px;
    }

    nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--white);
        padding: 2rem;
        transition: 0.3s;
        z-index: 999;
    }

    nav.active {
        left: 0;
    }

    nav ul {
        flex-direction: column;
        gap: 1.5rem;
    }

    .menu-toggle {
        display: block;
    }

    .hero {
        padding: 4rem 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .cta-section {
        padding: 2rem;
    }

    .question-card {
        padding: 1.5rem;
    }
}