:root {
    --yellow: #f2b705;
    --yellow-hover: #d9a404;
    --dark-bg: #1c1c1c;
    --darker-bg: #111111;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --text-light: #e0e0e0;
    --text-gray: #a0a0a0;
    --text-dark: #222222;
    --transition: all 0.3s ease;
    
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    color: var(--text-light);
    background-color: var(--dark-bg);
    line-height: 1.6;
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

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

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

.text-yellow {
    color: var(--yellow);
}

.text-dark {
    color: var(--text-dark);
}

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

.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 30px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--yellow);
    color: var(--darker-bg);
    padding: 15px 35px;
    font-size: 1.1rem;
}

.btn-primary:hover {
    background-color: var(--yellow-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(242, 183, 5, 0.4);
}

/* Animations Classes */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

.slide-in-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.slide-in-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.slide-in-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.zoom-in {
    opacity: 0;
    transform: scale(0.9);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.zoom-in.visible {
    opacity: 1;
    transform: scale(1);
}

/* Top Bar */
.top-bar {
    background-color: #000;
    color: var(--white);
    padding: 8px 0;
    font-size: 0.85rem;
}

.top-bar-inner {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.top-link {
    display: flex;
    align-items: center;
    gap: 5px;
    color: var(--white);
    text-decoration: none;
}

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

.separator {
    color: #444;
}

.top-bar-right {
    display: flex;
    gap: 15px;
}

.social-link {
    color: var(--yellow);
    font-size: 1rem;
}

.social-link:hover {
    color: var(--white);
    transform: scale(1.1);
}

/* Header */
.header {
    background-color: transparent;
    position: absolute;
    width: 100%;
    top: 36px;
    z-index: 1000;
    transition: all 0.3s ease;
}

.header.scrolled {
    position: fixed;
    top: 0;
    background-color: rgba(28, 28, 28, 0.95);
    box-shadow: 0 2px 10px rgba(0,0,0,0.3);
    padding: 5px 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
}

.logo {
    height: 50px;
}

.img-default {
    filter: brightness(0) invert(1);
}

.img-scrolled {
    display: none;
}

.header.scrolled .img-default {
    display: none;
}

.header.scrolled .img-scrolled {
    display: block;
}

.nav-list {
    display: flex;
    gap: 25px;
}

.nav-link {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    color: var(--white);
    position: relative;
    padding-bottom: 5px;
}

.header.scrolled .nav-link {
    color: var(--white);
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--yellow);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 500px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: scale(1.05);
    animation: slowZoom 20s infinite alternate;
}

@keyframes slowZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(0,0,0,0.8) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.hero-title {
    font-family: var(--font-heading);
    color: var(--white);
    margin-bottom: 40px;
}

.hero-line-top {
    font-size: 6rem;
    font-weight: 400;
    line-height: 1;
    margin-bottom: -15px;
    letter-spacing: -2px;
}

.hero-line-bottom {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: nowrap;
}

.hero-line-bottom .highlight {
    color: var(--yellow);
    font-size: 9rem;
    font-weight: 500;
    line-height: 0.8;
    letter-spacing: -3px;
    white-space: nowrap;
}

.hero-line-bottom .subtitle {
    font-size: 1.6rem;
    font-weight: 800;
    line-height: 1.3;
    white-space: nowrap;
}

.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: transparent;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 3rem;
    cursor: pointer;
    z-index: 4;
    transition: var(--transition);
}

.slider-arrow:hover {
    color: var(--white);
}

.slider-prev {
    left: 40px;
}

.slider-next {
    right: 40px;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 4;
}

.dot {
    width: 10px;
    height: 10px;
    background-color: rgba(255,255,255,0.5);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
}

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

/* Sections */
.section-dark {
    background-color: var(--darker-bg);
    padding: 80px 0;
}

.section-dark-lighter {
    background-color: var(--dark-bg);
    padding: 80px 0;
}

.section-light {
    background-color: var(--light-bg);
    padding: 80px 0;
}

.section-subtitle {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--white);
    letter-spacing: 2px;
    display: block;
    margin-bottom: 10px;
    text-transform: uppercase;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.section-text {
    color: var(--text-light);
    margin-bottom: 30px;
    font-size: 1.05rem;
}

/* Services */
.services-inner {
    display: flex;
    align-items: center;
    gap: 60px;
}

.services-images {
    flex: 1;
    position: relative;
    min-height: 500px;
}

.img-wrapper {
    position: absolute;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.img-1 {
    width: 80%;
    top: 0;
    left: 0;
    z-index: 2;
}

.img-2 {
    width: 70%;
    bottom: 0;
    right: 0;
    z-index: 3;
    border: 5px solid var(--darker-bg);
}

.img-wrapper img {
    transition: transform 0.5s ease;
}

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

.services-content {
    flex: 1;
}

.services-list {
    margin-bottom: 30px;
}

.service-item {
    display: flex;
    align-items: center;
    padding: 15px 0;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    transition: var(--transition);
}

.service-item:hover {
    padding-left: 10px;
    border-bottom-color: var(--yellow);
}

.service-number {
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--yellow);
    font-size: 1.2rem;
    margin-right: 15px;
}

.service-name {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--white);
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    transition: var(--transition);
}

.zap-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: #25D366;
    border-radius: 50%;
    color: white;
    font-size: 1.5rem;
    transition: var(--transition);
}

.btn-whatsapp:hover .zap-icon {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
}

/* Differentials */
.diff-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 60px;
    gap: 40px;
}

.diff-header {
    flex: 1;
}

.diff-text {
    flex: 1;
    color: var(--text-gray);
    font-size: 0.95rem;
    border-left: 2px solid var(--yellow);
    padding-left: 20px;
}

.diff-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    text-align: center;
}

.feature-card {
    padding: 30px;
    background-color: rgba(255,255,255,0.02);
    border-radius: 10px;
    border: 1px solid rgba(255,255,255,0.05);
    transition: var(--transition);
}

.feature-card:hover {
    transform: translateY(-10px);
    background-color: rgba(255,255,255,0.05);
    border-color: var(--yellow);
}

.feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon img {
    max-height: 100%;
}

.feature-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--white);
}

/* CTA Section */
.cta-section {
    position: relative;
    padding: 100px 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 2;
}

.cta-content {
    position: relative;
    z-index: 3;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 400;
    color: var(--white);
    margin-bottom: 40px;
    line-height: 1.1;
    letter-spacing: -1px;
}

.cta-title .text-yellow {
    font-weight: 700;
}

.cta-stats {
    display: flex;
    justify-content: flex-start;
    gap: 80px;
    margin-bottom: 40px;
}

.stat-item {
    font-family: var(--font-heading);
}

.stat-value {
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 700;
}

.stat-value .text-yellow {
    font-size: 1.8rem;
    font-weight: 700;
}

.stat-label {
    display: block;
    font-size: 1.8rem;
    color: var(--white);
    font-weight: 700;
}

/* Projects Section */
.projects-title {
    text-align: left;
    margin-bottom: 50px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 80px;
}

.project-card {
    background: var(--white);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.1);
}

.project-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

.project-info {
    padding: 20px;
    text-align: center;
}

.project-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-dark);
}

/* Brands */
.brands-section {
    text-align: center;
    border-top: 1px solid #ddd;
    padding-top: 50px;
}

.brands-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-dark);
    margin-bottom: 30px;
}

.brands-logos {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 60px;
    flex-wrap: wrap;
    color: #555;
    opacity: 0.8;
}

.brand-logo {
    transition: var(--transition);
    cursor: pointer;
}

.brand-logo:hover {
    opacity: 1;
    transform: scale(1.05);
    color: var(--text-dark);
}

/* Footer */
.footer {
    background-color: #1a1a1a;
    padding-top: 60px;
    padding-bottom: 20px;
}

.footer-logo-row {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 40px;
}

.footer-logo {
    height: 40px;
}

.footer-line {
    flex: 1;
    height: 1px;
    background-color: #333;
}

.footer-top {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 80px;
}

.footer-title {
    color: var(--white);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.footer-about {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
}

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

.footer-links a {
    color: var(--yellow);
    font-size: 0.95rem;
    font-family: var(--font-heading);
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact-item {
    color: var(--text-gray);
    margin-bottom: 15px;
    font-size: 0.95rem;
}

.footer-bottom {
    padding: 0;
    margin-bottom: 20px;
    text-align: center;
    color: var(--text-gray);
    font-size: 0.85rem;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    gap: 15px;
}

.footer-bottom .social-link {
    font-size: 1.1rem;
    margin-left: 5px;
}

.footer-bottom-line {
    height: 1px;
    background-color: #333;
    width: 100%;
}

/* Responsive */
@media (max-width: 1024px) {
    .hero-line-top { font-size: 4rem; }
    .hero-line-bottom .highlight { font-size: 6rem; letter-spacing: -1px; }
    .hero-line-bottom .subtitle { font-size: 1.3rem; }
    
    .services-inner { flex-direction: column; }
    .services-images { width: 100%; min-height: 400px; margin-bottom: 40px; }
    .img-1 { width: 70%; }
    .img-2 { width: 60%; }
    .diff-top { flex-direction: column; text-align: center; gap: 20px; }
    .diff-text { border-left: none; border-top: 2px solid var(--yellow); padding-left: 0; padding-top: 20px; }
    .footer-top { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    .top-bar { display: none; }
    .header { top: 0; padding: 10px 0; }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--dark-bg);
        flex-direction: column;
        padding: 20px;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        transition: clip-path 0.4s ease-in-out;
    }
    
    .nav-menu.active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
    }
    
    .nav-list { flex-direction: column; gap: 15px; text-align: center; }
    .mobile-menu-btn { display: block; }
    
    .hero-line-top { font-size: 3rem; margin-bottom: 0; }
    .hero-line-bottom { flex-direction: column; align-items: flex-start; gap: 5px; }
    .hero-line-bottom .highlight { font-size: 4rem; letter-spacing: 0; }
    .hero-line-bottom .subtitle { font-size: 1.2rem; white-space: normal; line-height: 1.2; }
    
    .slider-arrow { display: none; }
    
    .diff-features { grid-template-columns: 1fr; }
    
    .cta-title { font-size: 2.2rem; }
    .cta-stats { flex-direction: column; gap: 20px; }
    
    .projects-grid { grid-template-columns: 1fr; }
    .brands-logos { gap: 20px; }
    
    .footer-top { grid-template-columns: 1fr; text-align: center; }
    .footer-logo { margin: 0 auto 20px; }
}

@media (max-width: 480px) {
    .hero-line-top { font-size: 2.5rem; }
    .hero-line-bottom .highlight { font-size: 3.5rem; }
    .hero-line-bottom .subtitle { font-size: 1rem; }
    
    .img-1, .img-2 { position: relative; width: 100%; top: auto; left: auto; bottom: auto; right: auto; margin-bottom: 20px; }
    .services-images { min-height: auto; }
}