/* Reset e Configurações Gerais */
:root {
    --primary-color: #1a1a1a;
    --secondary-color: #f5f5f5;
    --accent-color: #3a86ff;
    --text-color: #333;
    --light-gray: #e8e8e8;
    --medium-gray: #999;
    --dark-gray: #444;
    --white: #fff;
    --black: #000;
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Playfair Display', serif;
    --transition: all 0.3s ease;
    --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--text-color);
    background-color: #f0f0f0; /* Cinza claro */
    overflow-x: hidden;
    line-height: 1.6;
}

h1, h2, h3, h4 {
    font-family: var(--font-secondary);
    font-weight: 700;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 14px;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn-primary:hover {
    background-color: #2a75e6;
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-3px);
    box-shadow: var(--box-shadow);
}

section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-header h2 span {
    color: var(--accent-color);
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--accent-color);
}

.section-header p {
    font-size: 1.1rem;
    color: var(--medium-gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-color);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: var(--accent-color);
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

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

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    font-family: var(--font-secondary);
    color: var(--primary-color);
}

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

.nav ul {
    display: flex;
}

.nav ul li {
    margin-left: 30px;
}

.nav ul li a {
    font-weight: 500;
    position: relative;
    padding-bottom: 5px;
}

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

.nav ul li a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    min-height: 100vh;
    padding-top: 80px;
    position: relative;
    overflow: hidden;
}

.hero-content {
    flex: 1;
    padding-right: 50px;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-title span {
    color: var(--accent-color);
    position: relative;
}

.hero-title span::after {
    content: '';
    position: absolute;
    bottom: 5px;
    left: 0;
    width: 100%;
    height: 10px;
    background-color: rgba(58, 134, 255, 0.2);
    z-index: -1;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    color: var(--dark-gray);
    max-width: 500px;
}

.hero-image {
    flex: 1;
    position: relative;
}

.hero-image .image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.hero-image:hover img {
    transform: scale(1.05);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
}

.scroll-indicator span {
    display: block;
    width: 2px;
    height: 20px;
    background-color: var(--primary-color);
    margin: 5px 0;
    opacity: 0.6;
    animation: scrollPulse 2s infinite;
}

.scroll-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.scroll-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes scrollPulse {
    0% {
        transform: scaleY(1);
        opacity: 0.6;
    }
    50% {
        transform: scaleY(1.5);
        opacity: 1;
    }
    100% {
        transform: scaleY(1);
        opacity: 0.6;
    }
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.project-image {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4/3;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    bottom: -100%;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    color: var(--white);
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    bottom: 0;
}

.project-overlay h3 {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.project-overlay p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.projects-cta {
    text-align: center;
    margin-top: 50px;
}

/* About Section */
.about {
    display: flex;
    align-items: center;
    background-color: var(--secondary-color);
}

.about-content {
    flex: 1;
    padding-right: 50px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.signature {
    margin-top: 30px;
}

.signature img {
    height: 60px;
    margin-bottom: 10px;
}

.signature p {
    font-weight: 600;
    font-style: italic;
}

.about-image {
    flex: 1;
}

.about-image .image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.about-image img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

/* Process Section */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    counter-reset: step-counter;
}

.step {
    position: relative;
    padding: 30px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    overflow: hidden;
    z-index: 1;
}

.step:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.step::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(58, 134, 255, 0.1), transparent);
    z-index: -1;
    opacity: 0;
    transition: var(--transition);
}

.step:hover::before {
    opacity: 1;
}

.step-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
    opacity: 0.2;
    margin-bottom: 15px;
    transition: var(--transition);
}

.step:hover .step-number {
    opacity: 0.4;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--primary-color);
}

.step p {
    color: var(--medium-gray);
}

/* Contact Section */
.contact {
    background-color: var(--secondary-color);
}

.contact-content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-form {
    width: 100%;
    max-width: 600px;
    margin-bottom: 50px;
}

.form-group {
    position: relative;
    margin-bottom: 30px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 0;
    font-size: 1rem;
    border: none;
    border-bottom: 1px solid var(--medium-gray);
    outline: none;
    background: transparent;
    transition: var(--transition);
}

.form-group textarea {
    resize: none;
    min-height: 100px;
}

.form-group label {
    position: absolute;
    top: 15px;
    left: 0;
    font-size: 1rem;
    color: var(--medium-gray);
    pointer-events: none;
    transition: var(--transition);
}

.form-group input:focus ~ label,
.form-group input:valid ~ label,
.form-group textarea:focus ~ label,
.form-group textarea:valid ~ label {
    top: -15px;
    font-size: 0.8rem;
    color: var(--accent-color);
}

.form-group input:focus,
.form-group textarea:focus {
    border-bottom-color: var(--accent-color);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    width: 100%;
}

.info-card {
    text-align: center;
    padding: 30px;
    background-color: var(--white);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.info-card i {
    font-size: 2rem;
    color: var(--accent-color);
    margin-bottom: 20px;
}

.info-card h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.info-card p {
    color: var(--medium-gray);
}

/* Footer */
.footer {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo .logo {
    color: var(--white);
    font-size: 1.8rem;
    margin-bottom: 20px;
    display: inline-block;
}

.footer-logo p {
    opacity: 0.7;
    line-height: 1.6;
}

.footer-links h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    opacity: 0.7;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--accent-color);
}

.footer-social h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--white);
}

.social-icons {
    display: flex;
    gap: 15px;
}

.social-icons a {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--white);
    transition: var(--transition);
}

.social-icons a:hover {
    background-color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* Responsividade */
@media (max-width: 992px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
    }

    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }

    .hero-title {
        font-size: 2.8rem;
    }

    .hero-subtitle {
        margin: 0 auto 30px;
    }

    .about {
        flex-direction: column;
    }

    .about-content {
        padding-right: 0;
        margin-bottom: 50px;
        text-align: center;
    }

    .signature {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--white);
        transition: var(--transition);
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .nav.active {
        left: 0;
    }

    .nav ul {
        flex-direction: column;
        align-items: center;
    }

    .nav ul li {
        margin: 15px 0;
    }

    .menu-toggle {
        display: block;
    }

    .section-header h2 {
        font-size: 2rem;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    section {
        padding: 70px 0;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 1.8rem;
    }

    .section-header h2 {
        font-size: 1.8rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 12px;
    }
}