/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #d4a574; /* Golden accent from Vix Brasil */
    --secondary-color: #f8f8f8; /* Light background */
    --text-color: #333;
    --heading-color: #222;
    --white-color: #fff;
    --shadow-light: 0 4px 15px rgba(0, 0, 0, 0.05);
    --shadow-medium: 0 8px 25px rgba(0, 0, 0, 0.1);
    --border-radius: 10px;
    --transition-speed: 0.3s;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--secondary-color);
    overflow-x: hidden;
}

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

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: #a87d4a;
}

button, .btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 12px 25px;
    border-radius: 50px;
    text-transform: uppercase;
    font-weight: 600;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
    transition: background-color var(--transition-speed) ease, transform var(--transition-speed) ease;
    border: none;
    cursor: pointer;
    text-align: center;
}

button:hover, .btn:hover {
    background-color: #a87d4a;
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 10px 23px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: 'Montserrat', sans-serif;
    color: var(--heading-color);
    line-height: 1.2;
    margin-bottom: 15px;
}

h1 {
    font-size: 2.8rem;
    font-weight: 700;
}

h2 {
    font-size: 2.2rem;
    font-weight: 700;
}

h3 {
    font-size: 1.8rem;
    font-weight: 600;
}

p {
    margin-bottom: 15px;
}

/* Header */
.main-header {
    background-color: var(--white-color);
    padding: 15px 0;
    box-shadow: var(--shadow-light);
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--heading-color);
}

.code-highlight {
    color: var(--primary-color);
}

.main-nav .nav-list {
    list-style: none;
    display: flex;
}

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

.main-nav .nav-list .nav-link {
    font-weight: 600;
    color: var(--heading-color);
    position: relative;
}

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

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

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8rem;
    color: var(--heading-color);
    cursor: pointer;
}

/* Hero Section */
.hero-section {
    background: linear-gradient(rgba(255, 255, 255, 0.85), rgba(255, 255, 255, 0.85)), url('assets/hero-background.jpg') no-repeat center center/cover;
    position: relative;
    overflow: hidden;
    padding: 100px 0;
    text-align: center;
    min-height: 80vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 50px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    backdrop-filter: blur(10px);
}

.hero-section .tagline {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--white-color);
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.85rem;
    text-transform: uppercase;
    margin-bottom: 25px;
    font-weight: 600;
}

.hero-section h2 {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--heading-color);
    margin-bottom: 25px;
}

.brand-highlight {
    color: var(--primary-color);
}

.hero-section p {
    font-size: 1.1rem;
    margin-bottom: 35px;
    color: #555;
}

/* Benefits Preview */
.benefits-preview {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin-bottom: 35px;
}

.benefit-card {
    background-color: var(--white-color);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-speed) ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.benefit-card:hover {
    transform: translateY(-5px);
}

.benefit-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.benefit-card span {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--heading-color);
}

.code-box {
    background-color: var(--white-color);
    border: 2px dashed var(--primary-color);
    border-radius: var(--border-radius);
    padding: 30px;
    margin-bottom: 35px;
    display: inline-block;
    box-shadow: var(--shadow-light);
}

.code-box p {
    font-size: 1rem;
    margin-bottom: 15px;
    color: var(--text-color);
    font-weight: 600;
}

.code-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

#sales-code {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: 2px;
}

.copy-btn {
    padding: 12px 25px;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.hero-actions .btn {
    min-width: 180px;
}

/* General Section Styling */
section {
    padding: 80px 0;
    background-color: var(--white-color);
    margin-bottom: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
}

section:nth-of-type(even) {
    background-color: #fcfcfc;
}

section .container {
    text-align: center;
}

.section-tag {
    display: inline-block;
    background-color: #e8e8e8;
    color: #666;
    padding: 8px 20px;
    border-radius: 25px;
    font-size: 0.8rem;
    text-transform: uppercase;
    margin-bottom: 20px;
    font-weight: 600;
}

.section-description {
    max-width: 700px;
    margin: 0 auto 50px auto;
    font-size: 1.05rem;
    color: #555;
}

/* Benefits Section */
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.benefit-item {
    background-color: var(--secondary-color);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-speed) ease, box-shadow var(--transition-speed) ease;
    text-align: center;
}

.benefit-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.benefit-item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.benefit-item h4 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--heading-color);
}

.benefit-item p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

/* How To Use Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.step-item {
    text-align: left;
    position: relative;
    padding-left: 80px;
    background-color: var(--secondary-color);
    padding: 30px 30px 30px 80px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-speed) ease;
}

.step-item:hover {
    transform: translateY(-5px);
}

.step-number {
    position: absolute;
    left: 20px;
    top: 30px;
    background-color: var(--primary-color);
    color: var(--white-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    box-shadow: var(--shadow-medium);
}

.step-item h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--heading-color);
}

.step-item p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.6;
}

.code-example {
    background-color: var(--secondary-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    display: inline-block;
    max-width: 700px;
}

.code-example h4 {
    margin-bottom: 25px;
    color: var(--heading-color);
    font-size: 1.3rem;
}

.code-example img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
}

/* About Section */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.stat-item {
    background-color: var(--secondary-color);
    padding: 35px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-light);
    transition: transform var(--transition-speed) ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-item .stat-number {
    font-family: 'Montserrat', sans-serif;
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
    margin-bottom: 10px;
}

.stat-item .stat-label {
    font-size: 1rem;
    color: #555;
    font-weight: 600;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 50px;
    text-align: left;
}

.contact-info h4 {
    margin-bottom: 25px;
    color: var(--heading-color);
}

.contact-info ul {
    list-style: none;
}

.contact-info ul li {
    margin-bottom: 20px;
    font-size: 1.05rem;
    color: #555;
    display: flex;
    align-items: center;
}

.contact-info ul li i {
    color: var(--primary-color);
    margin-right: 15px;
    font-size: 1.3rem;
    width: 20px;
}

.contact-form h4 {
    margin-bottom: 25px;
    color: var(--heading-color);
}

.contact-form .form-group {
    margin-bottom: 25px;
}

.contact-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--heading-color);
}

.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form textarea {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-family: 'Open Sans', sans-serif;
    font-size: 1rem;
    color: var(--text-color);
    transition: border-color var(--transition-speed) ease;
}

.contact-form input[type="text"]:focus,
.contact-form input[type="email"]:focus,
.contact-form textarea:focus {
    border-color: var(--primary-color);
    outline: none;
}

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

/* Footer */
.main-footer {
    background-color: var(--heading-color);
    color: var(--white-color);
    padding: 40px 0;
    text-align: center;
    border-radius: var(--border-radius);
    margin-top: 20px;
}

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

.main-footer p {
    margin-bottom: 0;
    font-size: 0.9rem;
}

.social-links a {
    color: var(--white-color);
    font-size: 1.5rem;
    margin: 0 10px;
    transition: color var(--transition-speed) ease;
}

.social-links a:hover {
    color: var(--primary-color);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--primary-color);
    color: var(--white-color);
    width: 55px;
    height: 55px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-speed) ease, visibility var(--transition-speed) ease, transform var(--transition-speed) ease;
    z-index: 999;
}

#back-to-top:hover {
    transform: translateY(-3px);
}

#back-to-top.show {
    opacity: 1;
    visibility: visible;
}

/* Notification */
.notification-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    background-color: #4CAF50;
    color: var(--white-color);
    padding: 15px 25px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-medium);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    z-index: 1001;
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-width: 300px;
}

.notification-container.show {
    opacity: 1;
    visibility: visible;
}

.notification-content {
    display: flex;
    align-items: center;
    width: 100%;
}

#notification-message {
    flex-grow: 1;
    margin-right: 15px;
    font-weight: 600;
}

.close-notification {
    background: none;
    border: none;
    color: var(--white-color);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 5px;
    transition: opacity var(--transition-speed) ease;
}

.close-notification:hover {
    opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 992px) {
    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    .main-nav.active {
        display: block;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white-color);
        box-shadow: var(--shadow-light);
        padding: 20px 0;
    }

    .main-nav.active .nav-list {
        flex-direction: column;
        align-items: center;
    }

    .main-nav.active .nav-list li {
        margin: 10px 0;
    }

    .hero-section h2 {
        font-size: 2.8rem;
    }

    .hero-content {
        padding: 40px 30px;
    }

    .benefits-preview {
        grid-template-columns: repeat(2, 1fr);
    }

    .benefits-grid, .steps-grid, .contact-grid, .stats-grid {
        grid-template-columns: 1fr;
    }

    .step-item {
        padding: 25px 25px 25px 70px;
    }

    .step-number {
        left: 15px;
        top: 25px;
        width: 45px;
        height: 45px;
        font-size: 1.3rem;
    }

    .contact-grid {
        text-align: center;
    }

    .main-footer .container {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 80px 0;
        min-height: 70vh;
    }

    .hero-section h2 {
        font-size: 2.2rem;
    }

    .hero-content {
        padding: 30px 20px;
    }

    #sales-code {
        font-size: 2.2rem;
    }

    .code-box {
        padding: 25px;
    }

    .benefits-preview {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .benefit-card {
        padding: 15px;
    }

    section {
        padding: 60px 0;
    }

    h3 {
        font-size: 1.5rem;
    }

    .section-description {
        margin-bottom: 30px;
    }

    .stat-item .stat-number {
        font-size: 2.8rem;
    }

    .step-item {
        padding: 20px;
        text-align: center;
    }

    .step-number {
        position: static;
        margin: 0 auto 20px auto;
    }
}

@media (max-width: 480px) {
    .logo {
        font-size: 1.3rem;
    }

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

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

    .hero-content {
        padding: 25px 15px;
    }

    #sales-code {
        font-size: 1.8rem;
    }

    .copy-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.8rem;
        min-width: 150px;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }

    .benefit-item, .stat-item {
        padding: 25px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .contact-info ul li {
        font-size: 0.95rem;
    }

    #back-to-top {
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
        bottom: 20px;
        right: 20px;
    }

    .notification-container {
        padding: 12px 20px;
        min-width: unset;
        width: 90%;
    }

    .code-display {
        flex-direction: column;
        gap: 15px;
    }
}