/*
 * CORE VARIABLES & RESET
 */
:root {
    --color-primary: #F97316; /* Laranja vibrante */
    --color-primary-dark: #ea580c;
    --color-dark: #0f172a;
    --color-dark-surface: #1e293b;
    --color-gray-light: #f8fafc;
    --color-text-body: #475569;
    --color-text-heading: #1e293b;
    --color-white: #ffffff;
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    --transition-base: all 0.3s ease;
    --container-width: 1200px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-text-heading);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

/*
 * UTILITIES
 */
.container {
    width: 90%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 1rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    transition: var(--transition-base);
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

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

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

.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.mb-2 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 4rem; }

.section-padding {
    padding: 80px 0;
}

.section-bg-light {
    background-color: var(--color-gray-light);
}

/*
 * HEADER
 */
.header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    position: fixed;
    top: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    font-family: var(--font-heading);
    color: var(--color-dark);
    letter-spacing: -0.5px;
}

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

.nav-menu {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--color-text-body);
}

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

/*
 * HERO SECTION
 */
.hero {
    padding: 160px 0 100px;
    background: linear-gradient(135deg, #FFF0E6 0%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    right: -10%;
    top: -20%;
    width: 600px;
    height: 600px;
    background: rgba(249, 115, 22, 0.05);
    border-radius: 50%;
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
}

.hero-tag {
    display: inline-block;
    padding: 6px 14px;
    background: #fff;
    color: var(--color-primary);
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    color: var(--color-dark);
}

.hero h1 span {
    color: transparent;
    background: linear-gradient(to right, var(--color-primary), #FF9100);
    -webkit-background-clip: text;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    margin-bottom: 2.5rem;
    max-width: 550px;
    color: var(--color-text-body);
}

/*
 * SERVICES
 */
.section-title {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

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

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

.service-card {
    background: #fff;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.service-icon {
    width: 60px;
    height: 60px;
    background: var(--color-gray-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--color-primary);
    font-size: 1.5rem;
}

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

/*
 * BENEFITS
 */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.benefit-item {
    text-align: center;
    padding: 2rem;
}

.benefit-item h4 {
    font-size: 1.1rem;
    margin: 1rem 0 0.5rem;
}

.benefit-icon {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

/*
 * PORTFOLIO
 */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.project-card {
    background: #fff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: var(--transition-base);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.project-img {
    height: 220px;
    background-color: #cbd5e1;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #64748b;
    font-size: 0.9rem;
}

.project-content {
    padding: 1.5rem;
}

.project-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-primary);
    font-weight: 700;
    margin-bottom: 0.5rem;
    display: block;
}

.project-content h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

/*
 * ABOUT
 */
.about-box {
    background: var(--color-dark);
    color: #fff;
    border-radius: 20px;
    padding: 4rem;
    position: relative;
    overflow: hidden;
}

.about-box h2 {
    color: #fff;
    margin-bottom: 1.5rem;
}

.about-box p {
    color: #cbd5e1;
    margin-bottom: 2rem;
    max-width: 800px;
}

.legal-info-box {
    background: rgba(255,255,255,0.05);
    padding: 1.5rem;
    border-radius: 12px;
    font-size: 0.9rem;
    color: #94a3b8;
    margin-top: 2rem;
    border-left: 3px solid var(--color-primary);
}

/*
 * CONTACT
 */
.contact-wrapper {
    max-width: 800px;
    margin: 0 auto;
    background: #fff;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--color-text-heading);
}

.form-control {
    width: 100%;
    padding: 0.85rem;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition-base);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.1);
}

/*
 * FOOTER
 */
.footer {
    background: var(--color-dark);
    color: #cbd5e1;
    padding: 4rem 0 2rem;
    font-size: 0.95rem;
}

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

.footer-brand h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-links h4 {
    color: #fff;
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-links ul li {
    margin-bottom: 0.8rem;
}

.footer-links ul li a:hover {
    color: var(--color-primary);
}

.footer-legal {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    font-size: 0.85rem;
    opacity: 0.8;
}

.footer-legal p {
    margin-bottom: 0.5rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .header .btn {
        display: none;
    }
    
    .nav-menu {
        display: none; /* Simplificando para o exercício. Idealmente teria um menu mobile */
    }

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

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