/* Variáveis de Cores - Paleta Sustentável e Solar */
:root {
    --primary: #fbbf24; /* Amarelo Solar */
    --secondary: #1e293b; /* Azul Escuro Corporativo */
    --accent: #10b981; /* Verde Sustentável */
    --text: #475569;
    --white: #ffffff;
    --bg-light: #f8fafc;
    --transition: all 0.3s ease;
}

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

body {
    font-family: 'Outfit', sans-serif;
    color: var(--text);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3 {
    font-weight: 700;
    color: var(--secondary);
    letter-spacing: -0.02em;
}

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

ul { list-style: none; }

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

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 20px;
}

.section { padding: 100px 0; }
.bg-light { background-color: var(--bg-light); }
.text-center { text-align: center; }
.mb-50 { margin-bottom: 50px; }

.subtitle {
    display: inline-block;
    background-color: #fef3c7;
    color: #d97706;
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

/* Botões */
.btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--secondary);
    padding: 16px 40px;
    border-radius: 8px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: none;
    cursor: pointer;
    box-shadow: 0 10px 15px -3px rgba(251, 191, 36, 0.3);
}

.btn:hover {
    background-color: #f59e0b;
    transform: translateY(-2px);
}

.btn-full { width: 100%; }

/* Header */
header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 25px 0;
    transition: var(--transition);
}

header.scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    padding: 15px 0;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--secondary);
}

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

.nav-links { display: flex; }
.nav-links li { margin-left: 35px; }
.nav-links a {
    font-size: 0.9rem;
    font-weight: 600;
}

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

/* Hero */
.hero {
    height: 100vh;
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
}

.hero-content { width: 100%; }
.hero-content h1 {
    font-size: 3.8rem;
    margin-bottom: 20px;
    color: var(--white);
    line-height: 1.1;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    color: #e2e8f0;
}

/* Grids */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

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

/* Benefits Grid */
.benefits-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 35px;
}

.benefit strong { display: block; font-size: 2.5rem; color: var(--accent); }

/* Solar Cards */
.solar-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.solar-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

.card-icon { font-size: 3rem; margin-bottom: 20px; }
.solar-card h3 { margin-bottom: 15px; }
.solar-card p { font-size: 0.9rem; color: #64748b; }

/* Formulário */
.solar-form input, 
.solar-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    background: #f8fafc;
    font-family: inherit;
    outline: none;
}

.solar-form input:focus { border-color: var(--primary); }

/* Footer */
footer {
    background: var(--secondary);
    color: #94a3b8;
    padding: 60px 0 20px;
}

.footer-grid {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #334155;
    padding-bottom: 30px;
    margin-bottom: 20px;
}

.footer-links a { margin-left: 25px; font-size: 0.85rem; }

.copyright { font-size: 0.8rem; }

/* Mobile Menu Icon */
.mobile-menu-icon { display: none; cursor: pointer; }
.mobile-menu-icon div {
    width: 25px;
    height: 2px;
    background-color: var(--secondary);
    margin: 7px;
    transition: var(--transition);
}

/* Responsividade */
@media (max-width: 992px) {
    .hero-content h1 { font-size: 2.5rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 50px; }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        right: 0;
        top: 0;
        height: 100vh;
        width: 70%;
        background: var(--white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: transform 0.5s ease;
    }

    .nav-links li { margin: 20px 0; }
    .mobile-menu-icon { display: block; }
    .nav-active { transform: translateX(0); }
    .footer-grid { flex-direction: column; text-align: center; }
    .footer-links { margin-top: 20px; }
}