:root {
    --landing-primary: #5fa6b3;
    --landing-bg: #ffffff;
    --landing-text: #2c3e50;
    --landing-muted: #7f8c8d;
    --landing-light: #f4f7f8;
    --white: #ffffff;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--landing-text);
    background-color: var(--landing-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

/* 1 - Menu Superior Fixo */
.landing-nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: 80px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    display: flex;
    justify-content: center;
}

.nav-content {
    width: 100%;
    max-width: 1200px;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo img {
    height: 40px;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--landing-text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s;
}

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

.btn-trial {
    background: var(--landing-primary);
    color: white !important;
    padding: 0.7rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600 !important;
}

.btn-access {
    border: 1px solid var(--landing-primary);
    color: var(--landing-primary) !important;
    padding: 0.7rem 1.5rem;
    border-radius: 0.5rem;
    font-weight: 600 !important;
}

/* 2 - Seção Header (Hero) */
.hero {
    padding-top: 160px;
    padding-bottom: 80px;
    background: linear-gradient(135deg, #f8fafb 0%, #ffffff 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    gap: 4rem;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 3.5rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: #1a252f;
}

.hero-text p {
    font-size: 1.25rem;
    color: var(--landing-muted);
    margin-bottom: 2.5rem;
}

.hero-mockup {
    flex: 1.2;
}

.hero-mockup img {
    width: 100%;
    height: auto;
    /* Optional: subtle shadow or reflection */
    filter: drop-shadow(0 20px 50px rgba(0, 0, 0, 0.1));
}

/* 3 - Seção de Funcionalidades */
.features {
    padding: 100px 0;
    background: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.feature-grid {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.feature-card {
    padding: 2.5rem;
    border-radius: 1.5rem;
    background: var(--landing-light);
    text-align: center;
    transition: transform 0.3s;
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--white);
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--landing-primary);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.feature-card h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.feature-card p {
    color: var(--landing-muted);
    font-size: 1rem;
}

/* 4 - Call to Action Section */
.cta-section {
    padding: 100px 2rem;
    background: var(--landing-primary);
    text-align: center;
    color: white;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
}

.cta-content p {
    font-size: 1.2rem;
    margin-bottom: 2.5rem;
    opacity: 0.9;
}

.btn-white {
    background: white;
    color: var(--landing-primary);
    padding: 1.2rem 3rem;
    border-radius: 3rem;
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    display: inline-block;
    transition: transform 0.2s;
}

.btn-white:hover {
    transform: scale(1.05);
}

footer {
    padding: 40px 2rem;
    text-align: center;
    background: #f8fafb;
    color: var(--landing-muted);
    font-size: 0.9rem;
}

/* Mobile Adjustments */
@media (max-width: 991px) {
    .hero-container {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }

    .hero-text h1 {
        font-size: 2.5rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .nav-links {
        display: flex;
        gap: 0.75rem;
    }

    .nav-links a:not(.btn-trial):not(.btn-access) {
        display: none;
        /* Hide text links like Contato/Funcionalidades on mobile for now */
    }

    .btn-trial,
    .btn-access {
        padding: 0.5rem 0.8rem;
        font-size: 0.8rem;
    }
}

@media (max-width: 768px) {
    .nav-content {
        justify-content: space-between;
        padding: 0 1rem;
    }

    .logo img {
        height: 30px;
    }

    .hero {
        padding-top: 100px;
    }

    .hero-mockup {
        order: -1;
        /* Mockup on top for mobile */
    }
}