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

:root {
    --color-black: #000000;
    --color-white: #FFFFFF;
    --color-yellow: #FFD700;
    --color-gray-dark: #1a1a1a;
    --color-gray-medium: #333333;
    --color-gray-light: #666666;
    --color-gray-lighter: #999999;
    --font-primary: 'Montserrat', sans-serif;
    --font-secondary: 'Open Sans', sans-serif;
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

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

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

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.1);
    transition: var(--transition);
}

.navbar {
    padding: 1rem 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: block;
}

.logo {
    height: 120px;
    width: auto;
    transition: var(--transition);
}

.logo:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--color-white);
    text-decoration: none;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 0.95rem;
    position: relative;
    transition: var(--transition);
}

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

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-yellow);
    transition: var(--transition);
}

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

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(255, 215, 0, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(255, 215, 0, 0.05) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.hero-content {
    position: relative;
    text-align: center;
    max-width: 900px;
    z-index: 1;
}

.hero-title {
    font-family: var(--font-primary);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.highlight {
    color: var(--color-yellow);
    position: relative;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-lighter);
    margin-bottom: 2.5rem;
    line-height: 1.8;
    animation: fadeInUp 1s ease 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s both;
}

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

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

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

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
    }
    40% {
        transform: translateX(-50%) translateY(-10px);
    }
    60% {
        transform: translateX(-50%) translateY(-5px);
    }
}

@keyframes scroll {
    0% {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
    100% {
        opacity: 0;
        transform: translateX(-50%) translateY(15px);
    }
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    text-decoration: none;
    border-radius: 50px;
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--color-yellow);
    color: var(--color-black);
    border-color: var(--color-yellow);
}

.btn-primary:hover {
    background: transparent;
    color: var(--color-yellow);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 215, 0, 0.3);
}

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

.btn-secondary:hover {
    background: var(--color-white);
    color: var(--color-black);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
}

.btn-full {
    width: 100%;
}

/* Section Styles */
section {
    padding: 100px 0;
}

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

.section-title {
    font-family: var(--font-primary);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-gray-lighter);
}

/* Services Section */
.services {
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-gray-dark) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.1);
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-yellow);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.1);
    background: rgba(255, 255, 255, 0.05);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--color-yellow) 0%, #FFA500 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    transform: rotateY(360deg);
}

.service-icon svg {
    width: 35px;
    height: 35px;
    color: var(--color-black);
}

.service-title {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.service-description {
    color: var(--color-gray-lighter);
    line-height: 1.8;
}

/* Differentials Section */
.differentials {
    background: var(--color-black);
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.differential-card {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05) 0%, rgba(255, 215, 0, 0.02) 100%);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.2);
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.differential-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--color-yellow) 0%, #FFA500 100%);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition);
}

.differential-card:hover::before {
    transform: scaleX(1);
}

.differential-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(255, 215, 0, 0.2);
}

.differential-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-yellow);
    opacity: 0.3;
    margin-bottom: 1rem;
}

.differential-title {
    font-family: var(--font-primary);
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-white);
}

.differential-description {
    color: var(--color-gray-lighter);
    line-height: 1.8;
}

/* Use Cases Section */
.use-cases {
    background: linear-gradient(180deg, var(--color-black) 0%, var(--color-gray-dark) 100%);
}

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

.use-case-card {
    background: rgba(255, 255, 255, 0.03);
    padding: 2rem;
    border-radius: 15px;
    border-left: 4px solid var(--color-yellow);
    transition: var(--transition);
}

.use-case-card:hover {
    background: rgba(255, 255, 255, 0.05);
    transform: translateX(10px);
    box-shadow: -5px 0 20px rgba(255, 215, 0, 0.2);
}

.use-case-title {
    font-family: var(--font-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--color-yellow);
}

.use-case-description {
    color: var(--color-gray-lighter);
    line-height: 1.7;
}

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

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

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

.contact-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-yellow) 0%, #FFA500 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon svg {
    width: 25px;
    height: 25px;
    color: var(--color-black);
}

.contact-details {
    flex: 1;
}

.contact-label {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-white);
}

.contact-value {
    color: var(--color-gray-lighter);
    text-decoration: none;
    display: block;
    margin-bottom: 0.25rem;
    transition: var(--transition);
}

a.contact-value:hover {
    color: var(--color-yellow);
}

/* Contact Form */
.contact-form-wrapper {
    background: rgba(255, 255, 255, 0.03);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 215, 0, 0.1);
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--color-white);
}

.form-input,
.form-textarea {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 215, 0, 0.2);
    border-radius: 10px;
    color: var(--color-white);
    font-family: var(--font-secondary);
    font-size: 1rem;
    transition: var(--transition);
}

.form-input:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-yellow);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.1);
}

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

/* Footer */
.footer {
    background: var(--color-gray-dark);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-logo-img {
    height: 80px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-tagline {
    color: var(--color-gray-lighter);
    font-size: 0.95rem;
}

.footer-title {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--color-yellow);
}

.footer-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

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

.footer-link:hover {
    color: var(--color-yellow);
    padding-left: 5px;
}

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

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 215, 0, 0.1);
    text-align: center;
}

.footer-copyright {
    color: var(--color-gray-lighter);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 968px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        background: rgba(0, 0, 0, 0.98);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        transition: var(--transition);
        border-top: 1px solid rgba(255, 215, 0, 0.1);
    }

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

    .mobile-menu-toggle {
        display: flex;
    }

    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

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

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

    .services-grid,
    .differentials-grid,
    .use-cases-grid {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .logo {
        height: 100px;
    }

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

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

    section {
        padding: 60px 0;
    }

    .service-card,
    .differential-card,
    .contact-form-wrapper {
        padding: 1.5rem;
    }
}