:root {
    --primary: #ff5722;
    --primary-light: #ff8a65;
    --primary-dark: #e64a19;
    --dark: #222831;
    --secondary: #2d4059;
    --bg: #eeeeee;
    --white: #ffffff;
    --gray: #999;
    --gray-light: #f5f5f5;
    --gray-lighter: #fafafa;
    --border: #e0e0e0;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 12px 32px rgba(0,0,0,0.15);
    --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
    --transition-fast: all 0.15s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 70px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: #333;
    background: var(--white);
    overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary);
    color: white;
    padding: 8px;
    z-index: 100;
}

.skip-link:focus {
    top: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.navbar {
    height: 70px;
    display: flex;
    align-items: center;
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 18px;
    color: var(--dark);
    transition: var(--transition-fast);
}

.logo:hover {
    color: var(--primary);
}

.logo-text {
    font-weight: 700;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    transition: var(--transition-fast);
}

.footer-logo .logo-img {
    width: 32px;
    height: 32px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
    flex: 1;
    justify-content: center;
    align-items: center;
    margin: 0 40px;
}

.nav-link {
    font-weight: 500;
    font-size: 15px;
    color: var(--dark);
    position: relative;
    transition: var(--transition-fast);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-cta {
    margin-left: auto;
    white-space: nowrap;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--dark);
    transition: var(--transition-fast);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border: none;
    border-radius: 20px;
    font-weight: 600;
    font-size: 15px;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.25);
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(255, 87, 34, 0.35);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: white;
}

.btn-lg {
    padding: 14px 32px;
    font-size: 16px;
}

/* Hero */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 70px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.6;
}

.gradient-orb-1 {
    width: 400px;
    height: 400px;
    background: rgba(255, 87, 34, 0.15);
    top: -100px;
    right: -50px;
    animation: float 20s ease-in-out infinite;
}

.gradient-orb-2 {
    width: 300px;
    height: 300px;
    background: rgba(45, 64, 89, 0.1);
    bottom: 100px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.gradient-orb-3 {
    width: 350px;
    height: 350px;
    background: rgba(255, 87, 34, 0.08);
    top: 50%;
    right: 10%;
    animation: float 22s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(20px, 20px); }
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 20px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 16px;
    line-height: 1.7;
    color: #666;
    margin-bottom: 30px;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-cards {
    position: relative;
    width: 100%;
    height: 100%;
}

.card-float {
    position: absolute;
    background: white;
    border-radius: 20px;
    padding: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255, 87, 34, 0.1);
    animation: hover-float 3s ease-in-out infinite;
}

.card-1 {
    top: 50px;
    left: 20px;
    width: 120px;
    animation-delay: 0s;
}

.card-2 {
    top: 200px;
    right: 50px;
    width: 120px;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 50px;
    left: 100px;
    width: 120px;
    animation-delay: 1s;
}

@keyframes hover-float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-20px); }
}

.card-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.card-float span {
    font-size: 12px;
    font-weight: 600;
    color: var(--dark);
    text-align: center;
}

.glow-element {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 87, 34, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.2); }
}

/* Section Headers */
.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 12px;
}

.section-subtitle {
    font-size: 16px;
    color: #666;
}

/* Services */
.services {
    padding: 120px 0;
    background: var(--gray-lighter);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.service-card {
    background: white;
    border-radius: 24px;
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.service-header {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 20px;
}

.service-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    background: rgba(255, 87, 34, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: white;
}

.service-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

.service-description {
    font-size: 14px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    transition: var(--transition-fast);
}

.service-link:hover {
    gap: 8px;
}

/* Differentials */
.differentials {
    padding: 120px 0;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.differential-item {
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.05) 0%, rgba(45, 64, 89, 0.05) 100%);
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(255, 87, 34, 0.1);
    transition: var(--transition);
}

.differential-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(255, 87, 34, 0.1) 0%, rgba(45, 64, 89, 0.08) 100%);
}

.differential-number {
    font-size: 28px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 12px;
}

.differential-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.4;
}

/* About */
.about {
    padding: 120px 0;
    background: var(--gray-lighter);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text p {
    margin-bottom: 16px;
    color: #666;
    line-height: 1.8;
}

.about-text p strong {
    color: var(--dark);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: #666;
    font-weight: 600;
}

.about-visual {
    display: flex;
    justify-content: center;
}

.about-visual svg {
    max-width: 100%;
    height: auto;
}

/* Process */
.process {
    padding: 120px 0;
}

.process-timeline {
    position: relative;
}

.process-step {
    display: grid;
    grid-template-columns: 80px 1fr;
    gap: 40px;
    margin-bottom: 40px;
    align-items: flex-start;
}

.step-marker {
    width: 80px;
    height: 80px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 800;
    font-size: 24px;
    flex-shrink: 0;
    position: relative;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(255, 87, 34, 0.25);
}

.step-connector {
    position: absolute;
    left: 40px;
    width: 2px;
    height: 80px;
    background: linear-gradient(to bottom, var(--primary), var(--border));
    margin: -40px 0;
}

.step-connector:last-of-type {
    display: none;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.step-content p {
    color: #666;
    font-size: 15px;
    line-height: 1.6;
}

/* Testimonials */
.testimonials {
    padding: 120px 0;
    background: var(--gray-lighter);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.testimonial-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary);
}

.testimonial-stars {
    font-size: 14px;
    color: var(--primary);
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 15px;
    line-height: 1.8;
    color: #666;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.testimonial-author strong {
    font-size: 14px;
    color: var(--dark);
}

.testimonial-author span {
    font-size: 13px;
    color: #999;
}

/* FAQ */
.faq {
    padding: 120px 0;
}

.faq-container {
    max-width: 700px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--border);
    border-radius: 16px;
    margin-bottom: 16px;
    transition: var(--transition);
}

.faq-item[open] {
    border-color: var(--primary);
    background: rgba(255, 87, 34, 0.03);
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    padding: 20px;
    list-style: none;
    font-weight: 600;
    color: var(--dark);
    user-select: none;
}

.faq-question:hover {
    color: var(--primary);
}

.faq-question svg {
    width: 20px;
    height: 20px;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.faq-item[open] .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 20px 20px;
    color: #666;
    font-size: 15px;
    line-height: 1.8;
    animation: slideDown 0.3s ease-out;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* CTA Banner */
.cta-banner {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    text-align: center;
}

.cta-content {
    color: white;
}

.cta-content h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    margin-bottom: 16px;
}

.cta-content p {
    font-size: 16px;
    margin-bottom: 32px;
    opacity: 0.95;
}

/* Contact */
.contact {
    padding: 120px 0;
    background: var(--gray-lighter);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
}

.contact-form-container h3,
.contact-info-container h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 14px;
    color: var(--dark);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1);
}

.contact-form button {
    width: 100%;
}

.contact-info-item {
    margin-bottom: 32px;
}

.contact-info-item h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.contact-link {
    display: inline-block;
    color: var(--primary);
    font-weight: 600;
    transition: var(--transition-fast);
}

.contact-link:hover {
    opacity: 0.8;
}

.contact-info-item p {
    font-size: 15px;
    color: #666;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 16px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 87, 34, 0.1);
    border-radius: 12px;
    color: var(--primary);
    transition: var(--transition-fast);
}

.social-links a:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* Footer */
.footer {
    background: var(--dark);
    color: white;
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-section h4 {
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    opacity: 0.9;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 700;
    font-size: 16px;
    margin-bottom: 16px;
    transition: var(--transition-fast);
}

.footer-logo:hover {
    color: var(--primary);
}

.footer-section p {
    font-size: 14px;
    line-height: 1.6;
    opacity: 0.8;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--primary);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    font-size: 13px;
    opacity: 0.8;
}

.footer-legal {
    display: flex;
    gap: 12px;
    align-items: center;
}

.footer-legal a {
    opacity: 0.8;
    transition: var(--transition-fast);
}

.footer-legal a:hover {
    opacity: 1;
    color: var(--primary);
}

.footer-legal span {
    opacity: 0.5;
}

/* Floating Buttons */
.whatsapp-button {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    z-index: 999;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
    transition: var(--transition);
    animation: bounce 2s ease-in-out infinite;
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.scroll-top {
    position: fixed;
    bottom: 30px;
    right: 100px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    border: none;
    border-radius: 50%;
    color: white;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 999;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.scroll-top.visible {
    display: flex;
}

.scroll-top:hover {
    background: var(--primary-dark);
    transform: translateY(-4px);
}

/* Responsive */
@media (max-width: 1024px) {
    .nav-menu {
        margin: 0 20px;
        gap: 20px;
    }

    .hero-content {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        height: 350px;
    }

    .about-content,
    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
        order: 3;
    }

    .nav-menu {
        position: absolute;
        top: 70px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        gap: 0;
        margin: 0;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        border-bottom: 1px solid var(--border);
        padding: 0;
    }

    .nav-menu.active {
        max-height: 500px;
        padding: 20px 0;
    }

    .nav-menu li {
        border-top: 1px solid var(--border);
    }

    .nav-menu li:first-child {
        border-top: none;
    }

    .nav-link {
        display: block;
        padding: 16px 20px;
        width: 100%;
    }

    .nav-link::after {
        display: none;
    }

    .nav-cta {
        margin-left: 20px;
        margin-right: 20px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    .services-grid,
    .differentials-grid,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .process-step {
        grid-template-columns: 60px 1fr;
        gap: 20px;
    }

    .step-marker {
        width: 60px;
        height: 60px;
        font-size: 18px;
    }

    .about-stats {
        gap: 20px;
    }

    .contact-wrapper {
        gap: 40px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .footer-legal {
        justify-content: center;
    }

    .scroll-top {
        right: 30px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    .hero {
        min-height: auto;
        padding-top: 90px;
        padding-bottom: 40px;
    }

    .hero-title {
        font-size: 24px;
        margin-bottom: 16px;
    }

    .hero-subtitle {
        font-size: 14px;
        margin-bottom: 20px;
    }

    .hero-visual {
        height: 300px;
        margin-top: 30px;
    }

    .card-1, .card-2, .card-3 {
        width: 100px;
        padding: 12px;
    }

    .section-title {
        font-size: 20px;
    }

    .section-header {
        margin-bottom: 40px;
    }

    .services,
    .differentials,
    .about,
    .process,
    .testimonials,
    .faq,
    .contact {
        padding: 60px 0;
    }

    .footer-content {
        gap: 30px;
    }

    .footer-bottom {
        gap: 16px;
        font-size: 12px;
    }
}
