/* ========================================
   RESET E VARIÁVEIS GLOBAIS
   ======================================== */

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

:root {
    --primary-color: #1a5f3f;
    --secondary-color: #00a651;
    --accent-color: #ffc107;
    --dark-bg: #0f1419;
    --light-bg: #f5f5f5;
    --text-dark: #333;
    --text-light: #666;
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

/* ========================================
   NAVBAR
   ======================================== */

.navbar {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

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

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: var(--transition);
}

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

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    background: linear-gradient(135deg, #1a3a52 0%, var(--primary-color) 100%);
    color: white;
    padding: 8rem 2rem;
    text-align: center;
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.hero-content .highlight {
    color: var(--secondary-color);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    background-color: var(--accent-color);
    color: var(--text-dark);
    padding: 0.8rem 2rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.cta-button:hover {
    background-color: #ffb300;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 193, 7, 0.3);
}

/* ========================================
   SERVICES SECTION
   ======================================== */

.services {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.services-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 3rem;
    color: var(--primary-color);
}

.subsection-title {
    font-size: 2rem;
    text-align: center;
    margin: 3rem 0 2rem 0;
    color: var(--primary-color);
    padding-top: 2rem;
}

.services-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--secondary-color), transparent);
    margin: 3rem 0;
}

/* Service Cards Grid */
.services-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    align-items: start;
}

.services-container > .section-title {
    grid-column: 1 / -1;
}

.services-container > .subsection-title {
    grid-column: 1 / -1;
}

.services-container > .services-divider {
    grid-column: 1 / -1;
}

.service-card {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
    border-top: 4px solid var(--secondary-color);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.3rem;
}

.service-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.service-features {
    list-style: none;
    color: var(--text-light);
}

.service-features li {
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about {
    padding: 4rem 2rem;
    background-color: white;
}

.about-container {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-content h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.8;
    font-size: 1rem;
}

.stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    border-radius: var(--border-radius);
}

.stat-item h3 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.stat-item p {
    color: rgba(255, 255, 255, 0.9);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact {
    padding: 4rem 2rem;
    background-color: var(--light-bg);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.contact-container h2 {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.contact-container > p {
    color: var(--text-light);
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.contact-item {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

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

.contact-item p {
    color: var(--text-light);
}

.contact-item a {
    color: var(--secondary-color);
    text-decoration: none;
    font-weight: 500;
}

.contact-item a:hover {
    text-decoration: underline;
}

.contact-form {
    background: white;
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-form input,
.contact-form textarea {
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--secondary-color);
    box-shadow: 0 0 5px rgba(0, 166, 81, 0.3);
}

/* ========================================
   WHATSAPP FLOATING BUTTON
   ======================================== */

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 40px;
    right: 40px;
    background-color: #25d366;
    color: #FFF;
    border-radius: 50px;
    text-align: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 1000;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: all 0.3s ease-in-out;
}

.whatsapp-float:hover {
    box-shadow: 2px 2px 10px rgba(37, 211, 102, 0.8);
    transform: scale(1.05);
}

.whatsapp-icon {
    width: 40px;
    height: 40px;
}

/* WhatsApp Button Pulse Animation */
@keyframes whatsapp-pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(37, 211, 102, 0.3);
    }
    100% {
        box-shadow: 0 0 0 20px rgba(37, 211, 102, 0);
    }
}

@keyframes whatsapp-bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.whatsapp-float {
    animation: whatsapp-pulse 2s infinite, whatsapp-bounce 2s infinite;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 2rem;
}

/* ========================================
   ANIMATIONS
   ======================================== */

/* Initial state for fade-in-up animation */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
}

/* Applied state for fade-in-up animation */
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .hero {
        padding: 4rem 1rem;
        min-height: 300px;
    }

    .section-title {
        font-size: 2rem;
    }

    .subsection-title {
        font-size: 1.5rem;
    }

    .nav-menu {
        gap: 1rem;
    }

    .nav-link {
        font-size: 0.9rem;
    }

    .about-container {
        grid-template-columns: 1fr;
    }

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

    .services-container {
        grid-template-columns: 1fr;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 1.5rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .navbar-container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-menu {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }

    .cta-button {
        padding: 0.6rem 1.5rem;
        font-size: 0.9rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

    .service-card {
        padding: 1.5rem;
    }

    .contact-form {
        padding: 1.5rem;
    }
}