/* Reset e Estilos Base */
:root {
    --black: #000000;
    --gold: #d4af37;
    --dark-black: #121212;
    --light-black: #1e1e1e;
    --silver: #c0c0c0;
    --light-silver: #e0e0e0;
    --bright-silver: #ffffff; /* Prata brilhante para destaques */
    --dark-silver: #a0a0a0;
    --white: #ffffff;
    --gray: #333333;
    --light-gray: #444444;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Montserrat', sans-serif;
    background-color: var(--black);
    color: var(--silver);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Tipografia */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
}

.gold-text {
    color: var(--gold);
}

.dark-text {
    color: var(--black);
}

.silver-text {
    color: var(--bright-silver);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

/* Cursor Personalizado */
.cursor, .cursor-follower {
    position: fixed;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    z-index: 9999;
    mix-blend-mode: difference;
}

.cursor {
    width: 8px;
    height: 8px;
    background-color: var(--white);
    transition: width 0.3s, height 0.3s;
}

.cursor-follower {
    width: 30px;
    height: 30px;
    border: 1px solid var(--silver);
    transition: all 0.3s ease-out;
}

.cursor.active {
    width: 50px;
    height: 50px;
    background-color: var(--bright-silver);
    opacity: 0.5;
}

.cursor-follower.active {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.2);
    border: 1px solid var(--bright-silver);
}

/* Preloader */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--black);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease;
}

.loader {
    display: flex;
    gap: 10px;
}

.loader-bar {
    width: 10px;
    height: 50px;
    background-color: var(--bright-silver);
    animation: loaderAnimation 1.2s ease-in-out infinite;
}

.loader-bar:nth-child(1) {
    animation-delay: 0s;
}

.loader-bar:nth-child(2) {
    animation-delay: 0.2s;
}

.loader-bar:nth-child(3) {
    animation-delay: 0.4s;
}

.loader-bar:nth-child(4) {
    animation-delay: 0.6s;
}

@keyframes loaderAnimation {
    0%, 20%, 50%, 80%, 100% {
        transform: scaleY(1);
    }
    50% {
        transform: scaleY(1.8);
    }
}

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Botões */
.btn-silver, .btn-dark {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn-silver {
    background-color: var(--bright-silver);
    color: var(--black);
}

.btn-silver:hover {
    background-color: var(--light-silver);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.3);
}

.btn-dark {
    background-color: var(--black);
    color: var(--bright-silver);
    border: 1px solid var(--bright-silver);
}

.btn-dark:hover {
    background-color: var(--light-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(255, 255, 255, 0.2);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: all 0.3s ease;
    background-color: rgba(0, 0, 0, 0.9);
}

.header.scrolled {
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
}

.nav ul {
    display: flex;
    list-style: none;
}

.nav ul li {
    margin-left: 30px;
}

.nav ul li a {
    position: relative;
    padding: 5px 0;
    color: var(--silver);
}

.nav ul li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--bright-silver);
    transition: width 0.3s ease;
}

.nav ul li a:hover::after,
.nav ul li a.active::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    cursor: pointer;
    font-size: 24px;
    color: var(--silver);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    background: url('assets/images/logo-bg.png') no-repeat center center/cover;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.7));
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 600px;
}

.hero-title {
    font-size: 60px;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 18px;
    margin-bottom: 30px;
    color: var(--light-silver);
}

.scroll-down {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--silver);
    z-index: 1;
    animation: bounce 2s infinite;
}

.scroll-down i {
    margin-top: 10px;
    font-size: 20px;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

/* Sections */
section {
    padding: 100px 0;
}

.section-title {
    font-size: 40px;
    margin-bottom: 15px;
    text-align: center;
}

.section-subtitle {
    font-size: 18px;
    color: var(--dark-silver);
    text-align: center;
    margin-bottom: 60px;
}

/* Products Section */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.product-card {
    background-color: var(--light-black);
    border-radius: 10px;
    padding: 30px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.product-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
    border-color: var(--bright-silver);
}

.product-card:hover::before {
    opacity: 1;
}

.product-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 20px;
    color: var(--bright-silver);
    font-size: 24px;
}

.product-card h3 {
    font-size: 22px;
    margin-bottom: 15px;
    color: var(--bright-silver);
}

.product-card p {
    color: var(--dark-silver);
    font-size: 15px;
}

/* Calculator Section */
.calculator {
    background-color: var(--dark-black);
}

.calculator-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-top: 50px;
    background-color: var(--light-black);
    border-radius: 10px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.calculator-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-weight: 500;
    color: var(--silver);
}

.form-control {
    padding: 12px 15px;
    border-radius: 5px;
    border: 1px solid var(--gray);
    background-color: var(--black);
    color: var(--silver);
    font-family: inherit;
    transition: all 0.3s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--bright-silver);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.2);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 5px;
    background: var(--gray);
    border-radius: 5px;
    margin: 10px 0;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    background: var(--bright-silver);
    border-radius: 50%;
    cursor: pointer;
}

.calculator-results {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.result-card {
    background-color: var(--black);
    border-radius: 10px;
    padding: 30px;
    border: 1px solid var(--gray);
}

.result-card h3 {
    font-size: 22px;
    margin-bottom: 20px;
    color: var(--bright-silver);
    border-bottom: 1px solid var(--gray);
    padding-bottom: 10px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
}

.result-item span:first-child {
    color: var(--dark-silver);
}

.result-item span:last-child {
    font-weight: 600;
    color: var(--bright-silver);
}

.client-info-form {
    margin-top: 30px;
}

.client-info-form h4 {
    font-size: 18px;
    margin-bottom: 15px;
    color: var(--bright-silver);
}

/* Contact Section */
.contact-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.info-item {
    background-color: var(--light-black);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
}

.info-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    border: 1px solid var(--bright-silver);
}

.info-item i {
    font-size: 30px;
    color: var(--bright-silver);
    margin-bottom: 15px;
}

.info-item h4 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--bright-silver);
}

.info-item p {
    color: var(--dark-silver);
    font-size: 15px;
}

/* WhatsApp Float Button */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 100;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.3);
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float i {
    color: var(--white);
    font-size: 30px;
}

/* Footer */
.footer {
    background-color: var(--dark-black);
    padding: 80px 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 50px;
}

.footer-logo {
    margin-bottom: 20px;
}

.footer-logo p {
    color: var(--dark-silver);
    margin-top: 10px;
    font-size: 14px;
}

.footer-links h4,
.footer-products h4,
.footer-contact h4 {
    font-size: 18px;
    margin-bottom: 20px;
    color: var(--bright-silver);
}

.footer-links ul,
.footer-products ul,
.footer-contact ul {
    list-style: none;
}

.footer-links ul li,
.footer-products ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-products ul li a {
    color: var(--dark-silver);
    transition: color 0.3s ease;
}

.footer-links ul li a:hover,
.footer-products ul li a:hover {
    color: var(--bright-silver);
}

.footer-contact ul li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: var(--dark-silver);
}

.footer-contact ul li i {
    margin-right: 10px;
    color: var(--bright-silver);
}

.footer-bottom {
    border-top: 1px solid var(--gray);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--dark-silver);
    font-size: 14px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background-color: var(--light-black);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--silver);
    transition: all 0.3s ease;
}

.social-links a:hover {
    background-color: var(--bright-silver);
    color: var(--black);
}

/* Efeitos e Animações */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 1s ease forwards;
}

/* Responsividade */
@media (max-width: 992px) {
    .calculator-container,
    .contact-container {
        grid-template-columns: 1fr;
    }

    .hero-title {
        font-size: 48px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--dark-black);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: all 0.5s ease;
    }

    .nav.active {
        left: 0;
    }

    .nav ul {
        flex-direction: column;
        align-items: center;
    }

    .nav ul li {
        margin: 15px 0;
    }

    .hero-title {
        font-size: 36px;
    }

    .section-title {
        font-size: 32px;
    }

    .contact-info {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 576px) {
    .hero-title {
        font-size: 30px;
    }

    .hero-subtitle {
        font-size: 16px;
    }

    .section-title {
        font-size: 28px;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
}.hero {
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 400px;
    height: 400px;
    background-image: url('assets/logo-bg.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.02;
    transform: translate(-50%, -50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
}