/* BR RAIN - Estilos Principais */

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

:root {
    --primary-blue: #1e5799;
    --secondary-blue: #00a8cc;
    --light-blue: #e3f2fd;
    --white: #ffffff;
    --light-gray: #f8f9fa;
    --dark-gray: #343a40;
    --text-dark: #2c3e50;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 25px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--white);
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

h1 {
    font-size: 2.5rem;
    line-height: 1.2;
}

h2 {
    font-size: 2rem;
    line-height: 1.3;
}

h3 {
    font-size: 1.5rem;
}

p {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

/* Header */
.header {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(30, 87, 153, 0.95);
    backdrop-filter: blur(10px);
}

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

.logo {
    height: 40px;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-menu a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-menu a:hover {
    color: var(--light-blue);
    transform: translateY(-2px);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--light-blue);
    transition: var(--transition);
}

.nav-menu a:hover::after {
    width: 100%;
}

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

/* Main Content */
.main-content {
    margin-top: 80px;
}

/* Hero Section */
.hero {
    background: linear-gradient(rgba(30, 87, 153, 0.8), rgba(0, 168, 204, 0.8)), 
                url('../images/rain-falls-off-a-roof-in-winter-2021-09-27-17-35-22-utc.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
    padding: 8rem 2rem;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 800px;
    animation: fadeInUp 1s ease-out;
}

.hero h1 {
    color: var(--white);
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background: var(--secondary-blue);
    color: var(--white);
    padding: 1rem 2rem;
    text-decoration: none;
    border-radius: var(--border-radius);
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.cta-button:hover {
    background: var(--primary-blue);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

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

.section:nth-child(even) {
    background-color: var(--light-gray);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2.5rem;
}

.section-subtitle {
    text-align: center;
    color: var(--dark-gray);
    font-size: 1.2rem;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.card {
    background: var(--white);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-blue);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--white);
    font-size: 1.5rem;
}

.card h3 {
    margin-bottom: 1rem;
    color: var(--primary-blue);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

.feature-icon {
    width: 80px;
    height: 80px;
    background: var(--light-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: var(--primary-blue);
    font-size: 2rem;
}

/* Two Column Layout */
.two-column {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.two-column img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

/* FAQ */
.faq-item {
    background: var(--white);
    border-radius: var(--border-radius);
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    background: var(--light-blue);
    padding: 1.5rem;
    cursor: pointer;
    font-weight: 600;
    color: var(--primary-blue);
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--secondary-blue);
    color: var(--white);
}

.faq-answer {
    padding: 1.5rem;
    display: none;
}

.faq-answer.active {
    display: block;
}

/* Contact Form */
.contact-form {
    background: var(--white);
    padding: 3rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    max-width: 600px;
    margin: 0 auto;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-blue);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--secondary-blue);
    box-shadow: 0 0 0 3px rgba(0, 168, 204, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.submit-button {
    background: linear-gradient(135deg, var(--primary-blue), var(--secondary-blue));
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: var(--border-radius);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    width: 100%;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

/* Footer */
.footer {
    background: var(--dark-gray);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    color: var(--white);
    margin-bottom: 1rem;
}

.footer-section a {
    color: var(--light-gray);
    text-decoration: none;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: var(--primary-blue);
    border-radius: 50%;
    text-align: center;
    line-height: 40px;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #555;
    color: var(--light-gray);
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--primary-blue);
        flex-direction: column;
        padding: 1rem;
        box-shadow: var(--shadow);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

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

    .hero p {
        font-size: 1.1rem;
    }

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

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

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

    .contact-form {
        padding: 2rem;
        margin: 0 1rem;
    }

    .section {
        padding: 3rem 0;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero {
        padding: 6rem 1rem;
    }

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

    .container {
        padding: 0 1rem;
    }

    .card {
        padding: 1.5rem;
    }
}