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

:root {
    --color-black: #000000;
    --color-dark: #0a0a0a;
    --color-copper: #2C4A6B;
    --color-copper-light: #3B5A7F;
    --color-copper-dark: #1E3A5F;
    --color-white: #ffffff;
    --color-gray: #1a1a1a;
    --color-gray-light: #2a2a2a;
    --color-gray-text: #cccccc;
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    background-color: var(--color-black);
    color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.header.scrolled {
    background-color: rgba(0, 0, 0, 0.98);
    box-shadow: 0 2px 20px rgba(44, 74, 107, 0.1);
}

.nav {
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-container > div:last-child {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-copper);
    letter-spacing: -0.5px;
}

.lang-switcher {
    background: transparent;
    border: 1px solid var(--color-gray-light);
    border-radius: 6px;
    padding: 0.5rem 0.75rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-left: 1rem;
}

.lang-switcher:hover {
    border-color: var(--color-copper);
    background-color: rgba(44, 74, 107, 0.1);
}

.lang-switcher img {
    display: block !important;
    width: 24px !important;
    height: 18px !important;
    max-width: 24px !important;
    max-height: 18px !important;
    object-fit: contain !important;
    flex-shrink: 0;
    border-radius: 6px;
}

.lang-flag {
    width: 24px !important;
    height: 18px !important;
    max-width: 24px !important;
    max-height: 18px !important;
    object-fit: contain !important;
    display: block !important;
    border-radius: 6px;
}

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

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-copper);
    transition: width 0.3s ease;
}

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
    position: relative;
    width: 25px;
    height: 20px;
    justify-content: center;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all 0.3s ease;
    transform-origin: center;
    position: absolute;
    left: 0;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray) 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(44, 74, 107, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(44, 74, 107, 0.1) 0%, transparent 50%);
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(44,74,107,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: 0 20px;
    max-width: 900px;
    animation: fadeInUp 1s ease;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--color-white) 0%, var(--color-copper-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--color-gray-text);
    margin-bottom: 2.5rem;
    font-weight: 300;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 1rem 2rem;
    text-decoration: none;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
    font-size: 1rem;
    border: none;
    cursor: pointer;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-copper);
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1.5;
}

.btn-primary:hover {
    background-color: var(--color-copper-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(44, 74, 107, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--color-copper);
    transform: translateY(-2px);
}

.btn-full {
    width: 100%;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 20px;
    height: 30px;
    border: 2px solid var(--color-copper);
    border-radius: 15px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 5px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background-color: var(--color-copper);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(10px);
    }
}

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

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--color-copper);
    font-size: 0.9rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.sobre {
    padding: 8rem 0;
    background-color: var(--color-dark);
}

.sobre-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.sobre-text {
    font-size: 1.1rem;
    color: var(--color-gray-text);
}

.sobre-intro {
    font-size: 1.3rem;
    color: var(--color-white);
    margin-bottom: 1.5rem;
    font-weight: 500;
}

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

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-copper);
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-gray-text);
}

.sobre-image {
    position: relative;
}

.carousel-container {
    width: 100%;
    height: 500px;
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-gray-light);
}

.carousel-wrapper {
    width: 100%;
    height: 100%;
    position: relative;
}

.carousel-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
    position: absolute;
    top: 0;
    left: 0;
    opacity: 0;
    transform: scale(1.05);
    transition: opacity 1s ease-in-out, transform 1s ease-in-out;
}

.carousel-image.active {
    opacity: 1;
    transform: scale(1);
}

.carousel-controls {
    position: absolute;
    bottom: 15px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    z-index: 10;
    visibility: hidden;
}

.carousel-btn {
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.6);
    border: 1px solid var(--color-copper);
    color: var(--color-white);
    border-radius: 50%;
    cursor: pointer;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.carousel-btn:hover {
    background-color: var(--color-copper);
    transform: scale(1.1);
}

.carousel-dots {
    display: flex;
    gap: 0.5rem;
}

.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.4);
    border: 1px solid var(--color-copper);
    cursor: pointer;
    transition: all 0.3s ease;
}

.carousel-dot.active {
    background-color: var(--color-copper);
    transform: scale(1.2);
}

.servicos {
    padding: 8rem 0;
    background-color: var(--color-black);
}

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

.servico-card {
    background-color: var(--color-gray);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-gray-light);
    transition: all 0.3s ease;
}

.servico-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-copper);
    box-shadow: 0 10px 30px rgba(44, 74, 107, 0.2);
}

.servico-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    color: var(--color-copper);
}

.servico-icon svg {
    width: 100%;
    height: 100%;
}

.servico-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.servico-card p {
    color: var(--color-gray-text);
    line-height: 1.8;
}

.servicos-cta {
    text-align: center;
    margin-top: 4rem;
}

.btn-cta {
    font-size: 1.1rem;
    padding: 1.2rem 2.5rem;
}

.diferenciais {
    padding: 8rem 0;
    background-color: var(--color-dark);
}

.diferenciais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.diferencial-item {
    position: relative;
    padding-left: 4rem;
}

.diferencial-number {
    position: absolute;
    left: 0;
    top: 0;
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-copper);
    opacity: 0.3;
    line-height: 1;
}

.diferencial-item h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.diferencial-item p {
    color: var(--color-gray-text);
    line-height: 1.8;
}

.contato {
    padding: 8rem 0;
    background-color: var(--color-black);
}

.contato-content {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 4rem;
}

.contato-info {
    max-width: 600px;
    width: 100%;
}

.contato-form-wrapper {
    max-width: 500px;
    width: 100%;
    flex-shrink: 0;
}

.contato-description {
    color: var(--color-gray-text);
    margin-top: 1rem;
    margin-bottom: 2rem;
    font-size: 1.1rem;
}

.contato-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contato-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contato-item > div:last-child {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.contato-icon {
    width: 60px;
    height: 60px;
    min-width: 60px;
    min-height: 60px;
    color: var(--color-copper);
    background-color: var(--color-gray);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contato-icon svg {
    width: 24px;
    height: 24px;
}

.contato-item h4 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--color-white);
    line-height: 1.3;
}

.contato-item p {
    color: var(--color-gray-text);
    line-height: 1.4;
    margin: 0;
}

.contato-form-wrapper {
    background-color: var(--color-gray);
    padding: 2.5rem;
    border-radius: 8px;
    border: 1px solid var(--color-gray-light);
    display: none;
}

.contato-link {
    color: var(--color-gray-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.contato-link:hover {
    color: var(--color-copper);
}

.footer-link {
    color: var(--color-gray-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--color-copper);
}

.toast {
    position: fixed;
    bottom: 100px;
    right: 20px;
    background-color: var(--color-copper);
    color: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(44, 74, 107, 0.4);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    z-index: 10000;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast-icon {
    font-size: 1.2rem;
    font-weight: bold;
}

.toast-message {
    font-size: 0.95rem;
    font-weight: 500;
}

.contato-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-dark);
    border: 1px solid var(--color-gray-light);
    border-radius: 4px;
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-copper);
    box-shadow: 0 0 0 3px rgba(44, 74, 107, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-text);
}

.form-group select {
    cursor: pointer;
}

.form-group select option {
    background-color: var(--color-dark);
    color: var(--color-white);
}

.footer {
    background-color: var(--color-dark);
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--color-gray-light);
}

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

.footer-section h3 {
    color: var(--color-copper);
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-section h4 {
    color: var(--color-white);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.footer-section p {
    color: var(--color-gray-text);
    line-height: 1.8;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
    color: var(--color-gray-text);
}

.footer-section ul li a {
    color: var(--color-gray-text);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: var(--color-copper);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--color-gray-light);
    color: var(--color-gray-text);
    font-size: 0.9rem;
}

.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 20px;
    right: 20px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
    100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
}

.contato-whatsapp {
    margin-bottom: 2rem;
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    width: 100%;
    justify-content: center;
}

.btn-whatsapp:hover {
    background-color: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp svg {
    width: 24px;
    height: 24px;
}

.form-message {
    padding: 1rem;
    border-radius: 4px;
    margin-top: 1rem;
    text-align: center;
    font-weight: 500;
    display: none;
}

.form-message.success {
    display: block;
    background-color: rgba(37, 211, 102, 0.1);
    color: #25D366;
    border: 1px solid #25D366;
}

.form-message.error {
    display: block;
    background-color: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border: 1px solid #dc3545;
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: var(--color-black);
        width: 100%;
        text-align: center;
        transition: left 0.3s ease;
        padding: 2rem 0;
        gap: 1rem;
        border-top: 1px solid var(--color-gray-light);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-toggle {
        display: flex;
    }

    .lang-switcher {
        margin-left: 0;
        padding: 0.4rem 0.6rem;
    }

    .lang-switcher img {
        width: 20px !important;
        height: 15px !important;
        max-width: 20px !important;
        max-height: 15px !important;
        object-fit: contain !important;
        border-radius: 3px;
    }

    .lang-flag {
        width: 20px !important;
        height: 15px !important;
        max-width: 20px !important;
        max-height: 15px !important;
        object-fit: contain !important;
        border-radius: 3px;
    }

    .nav-toggle span:nth-child(1) {
        top: 0;
    }

    .nav-toggle span:nth-child(2) {
        top: 9px;
    }

    .nav-toggle span:nth-child(3) {
        bottom: 0;
    }

    .nav-toggle.active span:nth-child(1) {
        top: 9px;
        transform: rotate(45deg);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        bottom: 9px;
        transform: rotate(-45deg);
    }

    .sobre-content {
        grid-template-columns: 1fr;
    }

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

    .sobre-stats {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .servicos-grid,
    .diferenciais-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 15px;
        right: 15px;
    }

    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }

    .contato-whatsapp {
        margin-bottom: 1.5rem;
    }

    .toast {
        bottom: 80px;
        left: 15px;
        right: 15px;
        margin: 0 auto;
        max-width: calc(100% - 30px);
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .sobre,
    .servicos,
    .diferenciais,
    .contato {
        padding: 4rem 0;
    }

    .section-header {
        margin-bottom: 2rem;
    }

    .servico-card,
    .contato-form-wrapper {
        padding: 1.5rem;
    }

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

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

    .section-title {
        font-size: 1.75rem;
    }

    .sobre-intro {
        font-size: 1.1rem;
    }

    .sobre-text {
        font-size: 1rem;
    }

    .diferencial-item {
        padding-left: 3rem;
    }

    .diferencial-number {
        font-size: 2.5rem;
    }

    .contato-icon {
        width: 60px;
        height: 60px;
        min-width: 60px;
        min-height: 60px;
    }

    .whatsapp-float {
        width: 52px;
        height: 52px;
        bottom: 12px;
        right: 12px;
    }

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}