/* Reset y configuración básica */
 * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #000;
    background-color: #fff;
    overflow-x: hidden;
}

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

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

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.nav-brand h2 {
    color: #fff;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 2px;
}

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

.nav-link {
    text-decoration: none;
    color: #fff;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #fff;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #fff;
}

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

/* Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: #fff;
    transition: all 0.3s ease;
}

.hamburger img {
    height: 45px;
    transition: all 0.3s ease;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, #000 0%, #333 50%, #000 100%);
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: #fff;
    line-height: 1.1;
    margin-bottom: 1rem;
    animation: fadeInUp 1s ease-out;
}

.highlight {
    background: linear-gradient(45deg, #fff, #ccc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: #fff;
    font-weight: 600;
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease-out 0.2s both;
}

.hero-description {
    font-size: 1.1rem;
    color: #ccc;
    margin-bottom: 2.5rem;
    max-width: 500px;
    animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    animation: fadeInUp 1s ease-out 0.6s both;
}

.btn {
    padding: 1rem 2rem;
    border: none;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    font-size: 1rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    background: linear-gradient(45deg, #fff, #f0f0f0);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: #fff;
    border: 2px solid #fff;
}

.btn-secondary:hover {
    background: #fff;
    color: #000;
    transform: translateY(-2px);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
    animation: fadeInRight 1s ease-out 0.8s both;
}

.scales-icon img {
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(255, 255, 255, 0.2));
}

/* Services Section */
.services {
    padding: 8rem 0;
    background: #f8f9fa;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 4rem;
    color: #000;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    border: 2px solid #000;
    border-radius: 2px;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.service-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 2px solid transparent;
    opacity: 0;
    transform: translateY(30px);
}

.service-card.animate {
    opacity: 1;
    transform: translateY(0);
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    border-color: #000;
}

.service-icon {
    font-size: 4rem;
    color: #000;
    margin-bottom: 1.5rem;
    transition: all 0.3s ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
    color: #333;
}

.service-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: #000;
}

.service-card p {
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.service-list {
    list-style: none;
    text-align: left;
}

.service-list li {
    color: #555;
    margin-bottom: 0.5rem;
    position: relative;
    padding-left: 1.5rem;
}

.service-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: #000;
    font-weight: bold;
}

/* About Section */
.about {
    padding: 8rem 0;
    background: #000;
    color: #fff;
}

.about .section-title {
    color: #fff;
}

.about .section-title::after {
    background: linear-gradient(45deg, #000, #333);
    border: 2px solid #fff;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text {
    opacity: 0;
    transform: translateX(-30px);
}

.about-text.animate {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s ease;
}

.about-intro {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    color: #fff;
}

.about p {
    font-size: 1.1rem;
    line-height: 1.8;
    margin-bottom: 2rem;
    color: #ccc;
}

.qualifications h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.qualification-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.qualification-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0;
}

.qualification-item i {
    color: #fff;
    font-size: 1.2rem;
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-image {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: linear-gradient(45deg, #fff, #f0f0f0);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: #000;
    box-shadow: 0 20px 40px rgba(255, 255, 255, 0.3);
    animation: pulse 4s ease-in-out infinite;
}
.about-image img {
    width: 80%;
    height: auto;
    object-fit: cover;
    border-radius: 50%;
}

/* Contact Section */
.contact {
    padding: 8rem 0;
    background: #f8f9fa;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    opacity: 0;
    transform: translateX(-30px);
}

.contact-info.animate {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s ease;
}

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #000;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
}

.contact-item i {
    font-size: 1.5rem;
    color: #000;
    margin-top: 0.2rem;
}

.contact-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #000;
}

.contact-item p {
    color: #666;
    margin: 0;
}

.contact-form {
    opacity: 0;
    transform: translateX(30px);
}

.contact-form.animate {
    opacity: 1;
    transform: translateX(0);
    transition: all 0.8s ease;
}

.contact-form h3 {
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #000;
}

.form {
    background: #fff;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #000;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e1e5e9;
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

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

/* Footer */
.footer {
    background: #000;
    color: #fff;
    padding: 3rem 0 1rem;
}

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

.footer-brand h3 {
    color: #fff;
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: #ccc;
    margin-bottom: 0.5rem;
}

.footer-links h4,
.footer-contact h4 {
    color: #fff;
    margin-bottom: 1rem;
}

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

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-links ul li a:hover {
    color: #fff;
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-contact i {
    color: #fff;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #333;
    color: #999;
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 20px 40px rgba(255, 255, 255, 0.3);
    }
    50% {
        transform: scale(1.05);
        box-shadow: 0 25px 50px rgba(255, 255, 255, 0.4);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .scales-icon {
        font-size: 8rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(0, 0, 0, 0.95);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        padding: 2rem 0;
        backdrop-filter: blur(10px);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 1rem 0;
    }
    
    .hero {
        padding: 2rem 0;
        min-height: 90vh;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 250px;
    }
    
    .scales-icon {
        font-size: 6rem;
    }
    
    .services {
        padding: 4rem 0;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .service-card {
        padding: 2rem 1.5rem;
    }
    
    .about {
        padding: 4rem 0;
    }
    
    .qualification-grid {
        grid-template-columns: 1fr;
    }
    
    .about-image {
        width: 150px;
        height: 150px;
        font-size: 3rem;
    }
    
    .contact {
        padding: 4rem 0;
    }
    
    .section-title {
        font-size: 2rem;
    }
}

@media (max-width: 480px) {
    .nav {
        padding: 1rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    .hero-content {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .service-card {
        padding: 1.5rem 1rem;
    }
    
    .service-icon {
        font-size: 3rem;
    }
    
    .about-image {
        width: 120px;
        height: 120px;
        font-size: 2.5rem;
    }
    
    .form {
        padding: 1.5rem;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* Smooth transitions for all interactive elements */
* {
    transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease, 
                transform 0.3s ease, box-shadow 0.3s ease, opacity 0.3s ease;
}

/* Loading animation for service cards */
.service-card:nth-child(1).animate {
    transition-delay: 0.1s;
}

.service-card:nth-child(2).animate {
    transition-delay: 0.2s;
}

.service-card:nth-child(3).animate {
    transition-delay: 0.3s;
}

/* Hover effects for better interactivity */
.contact-item:hover i {
    transform: scale(1.2);
    color: #333;
}

.qualification-item:hover i {
    transform: rotate(360deg);
    transition: transform 0.5s ease;
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Custom scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(45deg, #000, #333);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(45deg, #333, #000);
}

/* Selection color */
::selection {
    background: #000;
    color: #fff;
}

::-moz-selection {
    background: #000;
    color: #fff;
}